Fitriatin, Betty Natalie, Tualar Simarmata, Hersanti, and Tienturmuktini. 2017. “Straw Composting With Biological Agent Inoculation and Application Biofertilizer to Increase Rice Production”. International Journal of Sustainable Agricultural Research 3 (3):49-53. https://doi.org/10.18488/journal.70/2016.3.3/70.3.49.53.