PrasetyoA. R., SalehM. B., and SoedomoS. “Optimization Pine Plantation Forest Management in Kediri FMU Regional Division II East Java”. Jurnal Manajemen Hutan Tropika, Vol. 23, no. 3, Dec. 2017, pp. 171-8, https://journal.ipb.ac.id/index.php/jmht/article/view/20161.