PutriK., SantiR. and AiniS.N. 2019. Diversity of Collembola and Ground Surface Insects at Different Ages of Oil Palm Plantations (Elaeis guineensis Jacq.): Keanekaragaman Collembola dan Serangga Permukaan Tanah di Berbagai Umur Perkebunan Kelapa Sawit (Elaeis Guineensis Jacq.). Jurnal Ilmu Tanah dan Lingkungan. 21, 1 (Apr. 2019), 37-41. DOI:https://doi.org/10.29244/jitl.21.1.37-41.