Sulistiyowati, H.; Winarso, S.; Macandog, D.; Sotto, R.; Baguinon, N.; Buot Jr, I. Ecological Value Of Soil Organic Matter (SOM) at Tropical Evergreen Aglaia-Streblus Forest of Meru Betiri National Park, East Java, Indonesia. j Trop. Soils 2017, 21, 129-140.