Achmad, Feerzet, 		Farhani, Amna, 		Febriyanto, Pramahadi, AND 		Jerry, Jerry.
" Pengaruh Usia Tanaman Karet Terhadap Analisa Diagnosa Lateks pada Klon RRIM 921" <em>Journal of Science and Applicative Technology</em> [Online], Volume 5 Number 1 (11 March 2021)