Suheriyanto, D. et al. 2019. Effects of Season on Abundance and Diversity of Soil Arthropods in Mangli Coffee Plantation Kediri Regency, East Java, Indonesia. International Journal of Engineering & Technology. 8, 1.9 (Jan. 2019), 131–135. DOI:https://doi.org/10.14419/ijet.v8i1.9.26385.