For citations:

Nurdin , Rayes M.L., Soemarno , Sudarto , Listyarini E., Agustina Ch., Rahman R., Rauf A., Husain J. Soils in the Bulia micro watershed of Gorontalo province, Indonesia, and their quality assessment. Dokuchaev Soil Bulletin. 2021;(108):104-136. https://doi.org/10.19047/0136-1694-2021-108-104-136