Rawung, Jefny B. Markus, Rita Indrasti, and Bachtar Bakrie. “Sustainable Agricultural Bioindustry Development: Integration of Cassava Cultivation with Beef Cattle Husbandry in North Sulawesi Province.” International Journal of Environment, Agriculture and Biotechnology 3, no. 4 (2018): 1331–39. https://doi.org/10.22161/ijeab/3.4.26.