Irawan, Arif Irawan, dan Iwanuddin Iwanuddin Iwanuddin. “Effectivity of Using Growth Retardants on Shorea assamica Dyer Seedling at Nursery”. Jurnal Wasian 2, no. 1 (Maret 30, 2015): 41–46. Diakses Juli 16, 2026. https://pub.kehutanan.unismuh.ac.id/index.php/wasian/article/view/29.