Sritanu, Somchai, Trakul Chittwattanakorn, and Bussakorn Watthanabut. 2023. “MARKETING MIX TO PROMOTE PLANTAGO MAJOR L. PROCESSING ENTREPRENEURS”. Journal of MCU Nakhondhat 10 (6). Nakhon Si Thammarat, Thailand:22-33. https://so03.tci-thaijo.org/index.php/JMND/article/view/270263.