Khaswarina, S., Kusumawaty, Y., & Eliza, E. (2019). Analisis Saluran Pemasaran dan Marjin Pemasaran Bahan Olahan Karet Rakyat (Bokar) di Kabupaten Kampar. Unri Conference Series: Agriculture and Food Security, 1, 88-97. https://doi.org/10.31258/unricsagr.1a12