Yulida, R., Rosnita, R., Sayamar, E., & Andriani, Y. (2019). Analisis Tingkat Kemampuan Literasi Media Petani Perkebunan di Provinsi Riau. Unri Conference Series: Agriculture and Food Security, 1, 173-181. https://doi.org/10.31258/unricsagr.1a23