Mesomboonpoonsuk, P. . ., S. . . Nipithwittaya, and A. . . Trivedi. “Marketing Competency Development for Pandan Salted Egg Product Produced by Thaiphuen Community, Nakhonnayok Province”. Dusit Thani College Journal, vol. 13, no. 3, Apr. 2020, pp. 246-61, https://so01.tci-thaijo.org/index.php/journaldtc/article/view/241115.