Judul: Identifikasi Kondisi Lingkungan Kerja dan Persepsi Pekerja Industri Mebel Kayu Jati terhadap Perlindungan K3 di Kabupaten Jepara
Abstrak: The forestry sector is an activity that has a high level of risk because of work must be faced with the difficult working conditions. One of the works included in the forestry sector is the timber industry, or better known as the furniture industry. Event furniture industry consists of activities forming component (sawmill), sanding and finishing. These activities can lead to potential accidents at work if the worker does not understand the dangers that can occur from these activities, and therefore required considerable knowledge of occupational safety and health (OSH) protection to prevent accidents. This study aims to describe the working conditions and the general perception of the teak wood furniture industry workers about OSH protection in the Mulyoharjo Village Regency of Jepara. Collecting data in this study was obtained through in-depth interviews about the occupational safety and health protection against 90 respondents were included in the category of workers with the types of activities such as the formation of the components (sawmill), sanding and finishing. The results obtained in this study showed a dangerous working conditions with physical and chemical factors values above threshold value and the presence of significant difference between the value of self-assessment and control value-based assessment in which respondents are overestimates and has a poor level of knowledge.
Keyword: working conditions, occupational health and safety, industry

Judul: Identifikasi Perubahan Tingkat Pengetahuan K3 Menggunakan Safety Game terhadap Pekerja Industri Mebel Kayu Jati di Jepara
Abstrak: Occupational Safety and Health (OSH) is one of the labor protection forms. The implementation of OSH in the forestry sector, especially for furniture industry workers in Jepara, is still weak, and this may pose a risk of never-ending OSH disruption that can be problematic for the furniture industry in Jepara in the long term. The high risk of OSH disruption in a small-scale industry was caused by the low level of worker’s knowledge in OSH. The objective of this research was to learn about a safety game performance as an instrument to improve worker’s knowledge in OSH to replace the conventional method. The study was conducted in a small-scale furniture industry in Mulyoharjo village of Jepara regency involving 45 workers from wood shaping, sanding and finishing. Based on the results, the safety games can be used as an instrument to improve worker’s knowledge in OSH because showed an increase of knowledge. The change in the level of knowledge before and after using the safety game was significant, meaning that the safety game had a good performance.
Keyword: safety game, knowledge increase, furniture industry workers, occupational safety and health

Judul: Analisis Fase: Vector Error Correction Model  Bitcoin pada Fase Dominasi (BTC.D) dengan Pergerakan Altscoin
Abstrak: Bitcoin telah mendominasi pasar cryptocurrency, menunjukkan bahwa pergerakan harga alternatif cryptocurrency (Altscoin) sangat bergantung pada pergerakan Bitcoin. Analisis fase dilakukan pada tiga fase, yakni fase tinggi, sedang, dan rendah. Altscoin pada penelitian ini terdiri dari: Ethereum, BNB, XRP, dan ADA. Tujuan penelitian ini adalah untuk melihat pengaruh pergerakan BTC dengan Altscoin pada fase dominasi tinggi, dominasi sedang, dan dominasi rendah menggunakan metode Vector Error Correction Model. Pada fase tinggi dalam jangka panjang, adanya penurunan yang signifikan dari ADA serta tidak signifikan dari lnBNB dan XRP. Pada jangka pendek, adanya penurunan pada lnETH, dimana pada fase tinggi Cryptotrader menyukai Bitcoin sehingga rata-rata harga Altscoin menurun. Pada fase sedang baik jangka panjang maupun pendek, tidak ada kecenderungan pengarahan tren pergerakan dikarenakan fase transisi. Pada fase rendah baik jangka panjang maupun pendek, adanya penurunan pada Bitcoin yang menandakan fase distribusi Bitcoin dan buying position Altscoin sedang dimulai. Hasil peramalan lnBTC pada fase tinggi mencapai nilai USD 9,03 dengan penurunan -1,02%, pada fase sedang mencapai nilai 9,89 dengan kenaikan +0,07%, pada fase rendah mencapai nilai 10,4 dengan penurunan -0,38%.
Keyword: Altscoin, Bitcoin, Vector Error Correction Model