Homhuan, O., Panpakdee, C., and Borisutdhi, Y. “Assessing students’ satisfaction towards agricultural learning services of the Royal Flora Ratchaphruek”. International Journal of Agricultural Technology, vol. 17, no. 1, Jan. 2021, pp. 103-14, https://li04.tci-thaijo.org/index.php/IJAT/article/view/5913.