Mohamad Yasin, Erma Prihastanti, and Endah Dwi Hastuti. 2020. “THE EFFECT OF BLOCK COMPOST SAGO WASTE ORGANIC PLANTS ( POLYBAG ) ON COMPOSITION VARIATIONS”. International Journal of Engineering Science Technologies 4 (4):11-16. https://doi.org/10.29121/ijoest.v4.i4.2020.99.