Siswati, L. (2012). Ekonomi Rumah Tangga Petani : Pola Pertanian Terpadu di Propinsi Riau (Household Economic Farmers: integrated farming in the province of Riau). Jurnal Embrio, 5(01), 8-17. Retrieved from https://ojs.unitas-pdg.ac.id/index.php/embrio/article/view/128