Title: Rāingān kānwičhai rư̄ang patčhai khō̜ng hunsūan sētthakit thī mī khwāmsamphan kap kānphatthanā sētthakit bō̜riwēn klum Čhangwat Chumphō̜n Ranō̜ng læ Surāt Thānī
Description: Research report on the factors of economic partners relating to economic development in the three provincial areas of Chumphon, Ranong and Surat Thani, Southern Thailand.