Snae Namahoot, Kanokkarn, and Peeranat Inkaew. “Innovative Parcel Delivery Service in Thailand during COVID-19 Pandemic Using Structural Equation Modelling”. Creative Business and Sustainability Journal 43, no. 4 (December 28, 2021): 76–94. accessed December 9, 2025. https://so01.tci-thaijo.org/index.php/CBSReview/article/view/253706.