Chantanasiri, S. (2022). Operational Efficiency Factors Affecting Profitability of the Companies of the Agricultural and Food Industry Group Listed on the Stock Exchange of Thailand: Food and Beverage Sectors. Journal of Multidisciplinary in Humanities and Social Sciences, 5(1), 232–249. retrieved from https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/256692