Kantrakonpha, Kantima, pornpana srisatanon, Tawan Vikraipat, and Songpol Loppananusorn. 2024. “Service marketing mix Decisions on selecting a rice mill for selling paddy by farmers in Mueang District Chainat Province”. Journal of MCU Phetchaburi Review 7 (1):หน้า 381 - 393. https://so03.tci-thaijo.org/index.php/JPR/article/view/274591.