Prathumyot, W., Makboon, R., Yota, M., Chakhatrakan, S., Matta, F. B., & Chitaree, L. (2019). Effect of biogas effluent from pig manure and Longan (Dimocarpus longan) residues on growth of Marigold (Tagetes erecta). International Journal of Agricultural Technology, 15(2), 347–358. retrieved from https://li04.tci-thaijo.org/index.php/IJAT/article/view/8217