Prastyono, Prastyono, dan Mudji Susanto Susanto. “Variation in Growth Traits of Ironwood (Eusideroxylon zwageri T. ET B.) Progeny Trial in Bondowoso”. Jurnal Wasian 2, no. 2 (Desember 30, 2015): 79–86. Diakses Juli 16, 2026. https://pub.kehutanan.unismuh.ac.id/index.php/wasian/article/view/37.