Wahyuni, T. T., R. Widyastuti, and D. A. Santosa. “Abundance and Diversity of Microarthropods on Microhabitat of Oil Palm”. Jurnal Ilmu Tanah Dan Lingkungan, Vol. 17, no. 2, Oct. 2015, pp. 54-59, doi:10.29244/jitl.17.2.54-59.