Judul: Pengoptimuman Penjadwalan Pegawai Pintu Tol Menggunakan Goal Programming: Studi Kasus Di Pintu Gerbang Tol Cimanggis Utama Tol Jagorawi
Abstrak: Gerbang tol adalah tempat di mana para pengguna jalan tol atau pengendara kendaraan bermotor melakukan transaksi pembayaran atau awal dari pelayanan tol. Transaksi pembayaran terbagi menjadi transaksi tunai dan transaksi nontunai. Untuk setiap pintu gerbang tol, transaksi tunai dilayani oleh seorang pegawai sedangkan transaksi nontunai dilayani oleh mesin. Gerbang tol ini beroperasi selama 24 jam sehari sehingga diperlukan penjadwalan bagi para pegawainya. Dalam karya ilmiah ini, permasalahan penjadwalan pegawai dimodelkan sebagai masalah nonpreemptive goal programming dengan fungsi objektif meminimumkan variabel deviasi positif dengan menggunakan bobot dan meminimumkan jumlah hari kerja pegawai. Model selanjutnya diimplementasikan pada kasus penjadwalan pegawai pintu gerbang tol Cimanggis Utama Tol Jagorawi menggunakan bantuan software LINGO 11.0 serta laptop berprosesor core i5 dengan RAM 4 GB. Hasil implementasi memperlihatkan bahwa banyaknya hari kerja, banyaknya shift dan banyaknya libur setiap pegawai lebih berkeadilan dibandingkan dengan jadwal yang ada sekarang.
Keyword: gerbang tol, goal programming, penjadwalan

Judul: Penjadwalan penjaga gerbang tol dengan goal programming^bstudi kasus ruas tol Pelabuhan Jakarta
Abstrak: Toll gate is the starting point of toll services at which travelers must stop and pay the toll. In this work, rules and standard operational procedures of management company are considered to describe gate keepers scheduling problem at Pelabuhan Tollroad, Jakarta, which then formulated in term of goal programming and solved by using nonpreemptive method. There are two types of constraint in goal programming method, namely hard and soft constraints. The objective function in this paper is to minimize the shortage of work days and minimize the number of off-on-off patterns facing by tollgate keepers. Software used in solving toll gate keeper scheduling is LINGO 11.0. By using nonpreemptive goal programming, it’s obtained the tollroad gate keeper scheduling which fulfills almost all scheduling regulations obliged by the company.
Keyword: Bogor Agricultural University, toll gate keeper, scheduling, nonpreemptive goal programming

Judul: Systematics of Desmos (Annonaceae) in Malesia
Abstrak: Desmos is a woody climbing genus of Annonaceae which has been widely used as traditional medicine in several countries such as China, Indo-China, Thailand, and Peninsular Malaysia to treat dysentery, vertigo, fever, and postpartum. Phylogenetic studies on Desmos showed a close relationship between Desmos and Dasymaschalon. They share similar moniliform monocarpic fruits, but their flowers are different. It has been debated among Annonaceae researchers whether both genera should be treated as the same or distinct genus. Therefore, investigation on the taxonomic delimitation of Desmos species and Dasymaschalon will be necessary. Plastid genome (plastome) identification, leaf epidermal section of Desmos species and Dasymaschalon species, a taxonomic revision of Desmos in Malesia using morphological data, the spatial distribution of Desmos species in Malesia, and morphological and genetic variation in Desmos chinensis population using ISSR marker were used to investigate taxonomic delimitation of Desmos. Plastome study of Desmos chinensis and Dasymaschalon dasymaschalum was carried out to determine the origin, evolution, phylogenomics, and identify marker candidates for Desmos and Dasymaschalon or with other genera in Annonaceae. We discovered that the plastome of Desmos chinensis was circular with the size of 167,677 bp (smaller than Dasymaschalon dasymaschalum), consist of 111 genes, including 78 protein-coding genes, 29 transfer RNAs, and 4 ribosomal RNAs. The plastome showed a typical quadripartite structure, i.e., large single copy (LSC), small single copy (SSC), and two inverted repeats (IRs). The plastome of Dasymaschalon dasymaschalum was 191,488 bp in length, which also exhibited a typical quadripartite structure (LSC, SSC, and two IRs). Desmos chinensis and Dasymaschalon dasymaschalum showed different copies of accD, ndhD, ndhF, rps18, and ycf2. Protein coding genes of rpoB, rpoC1, rbcL, matK, rpl32, infA, and rpl36 were identified based on nucleotide diversity, sequence variability, and parsimony-informative sites. The genes are defined as molecular marker candidates of plastome for phylogenetic, barcoding, and population genetic research. We predicted that Desmos chinensis and Dasymaschalon dasymaschalum separated at ca. 64 million years ago during the Paleocene. Leaf anatomical feature study was carried to support the taxonomic delimitation of interspecific Desmos and intergeneric of Desmos and Dasymaschalon. Leaf anatomy in the paradermal section of 20 taxa (12 species of Desmos, eight species of Dasymaschalon) have been carried out. According to the leaf epidermal section, Desmos and Dasymaschalon are two distinct genera mainly distinguished based on the anticlinal wall undulation of epidermal cells and supported by variation of the crystal type and size. The anticlinal wall undulation of Desmos was almost straight to slightly wavy and never sinuous; meanwhile, Dasymaschalon varies from almost straight to deeply sinusoid. The crystals of Desmos consist of rhombohedral, druse type A, and druse type B crystals, whereas Dasymaschalon has prism, druse type A, druse type B, and druse type C crystals. The recent taxonomic revision using the morphological data was mainly based on the examination of about 1374 specimens from BO, L, WAN, ANDA, SING, SAN, K, P, HUH herbaria. The Desmos species in Malesia consists of eight species: D. acutus, D. chinensis, D. chryseus, D. dunalii, D. pedunculosus, D. subbiglandulosus, two new records: D. lawii and D. macrocarpus, and one
Keyword: Dasymaschalon, Desmoid clade, Magnoliid, plastid genome, phylogenomics analysis