Chumsri, T., Kongsawadworakul, P., Vinijsanun, T., & Chintakovid, W. (2017). Effects of tapping system and rubber tree age on quantity and quality of latex. Asia-Pacific Journal of Science and Technology, 18(4), 608–615. Retrieved from https://so01.tci-thaijo.org/index.php/APST/article/view/82896