บุญจวงธ., and สุมิตสวรรค์ว. “DEVELOPMENT OF GUIDELINES FOR SUSTAINABLE FINANCIAL TRANSACTIONS ACCORDING TO THE PHILOSOPHY OF SUFFICIENCY ECONOMY: A CASE STUDY OF ENTREPRENEURS IN KHON KAEN”. Journal of MCU Nakhondhat, Vol. 6, no. 7, Sept. 2019, pp. 3401-13, https://so03.tci-thaijo.org/index.php/JMND/article/view/213623.