Harnkiattiwong , T. ., & Sanont, R. (2025). Network, Knowledge Management and Digital Marketing Development to Enhance Herbal Products to be a Center for Learning and Sustainable Herbal Business. Ph.D. in Social Sciences Journal, 15(2), 536–549. retrieved from https://so05.tci-thaijo.org/index.php/phdssj/article/view/275842