Khotcharat, Narid, Sayan Sdoodee, and Upatham Meesawat. “Growth performance of clonal rubber rootstocks and combining ability test with the scion of clone RRIM 600”. Agriculture and Natural Resources 50, no. 2 (April 30, 2016): 98–103. accessed August 27, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/243891.