PulunggonoH. B., ZulfajrinM., and HartonoA. “Selected Chemical Peat Properties Distribution in Palm Oil Plantation and Its Relationship With Depth Layer and Distance from Mineral Soil Derived From Ultrabasic Rocks: Distribusi Sifat Kimia Gambut Di Perkebunan Sawit Dan Hubungannya Dengan Kedalaman Lapisan Gambut Dan Jarak Dari Tanah Mineral Berbahan Induk Batuan Ultrabasa”. Jurnal Ilmu Tanah Dan Lingkungan, Vol. 22, no. 1, Apr. 2020, pp. 22-28, doi:10.29244/jitl.22.1.22-28.