Sunantha Anantachaiyong. (2023) Investigation of Perceived Factors Affecting Operation Performance of Express Delivery Service in Bangkok. <i>Journal of Family Business and Management Studies</i>, <i>15</i>(1), 23-46.Sunantha Anantachaiyong. "Investigation of Perceived Factors Affecting Operation Performance of Express Delivery Service in Bangkok". Journal of Family Business and Management Studies 15 (2023):23-46.Sunantha Anantachaiyong. Investigation of Perceived Factors Affecting Operation Performance of Express Delivery Service in Bangkok. University of the Thai Chamber of Commerce:ม.ป.ท. 2023.