Mohamad Yasin, E. . Prihastanti, and E. . Dwi Hastuti. “THE EFFECT OF BLOCK COMPOST SAGO WASTE ORGANIC PLANTS ( POLYBAG ) ON COMPOSITION VARIATIONS”. International Journal of Engineering Science Technologies, vol. 4, no. 4, Sept. 2020, pp. 11-16, doi:10.29121/ijoest.v4.i4.2020.99.