Nartvaranant, Pongnart. “Effect of chemical fertilizer on leaf nutrient concentration and fruit quality in rose apple (Syzygium jambos L.) cv. Tabtimjan”. Interdisciplinary Research Review 15, no. 6 (December 17, 2020): 10–14. accessed December 9, 2025. https://ph02.tci-thaijo.org/index.php/jtir/article/view/241239.