Edwina, S., Maharani, E., Kusumawaty, Y., Yusri, J., & Yusmini, Y. (2019). Perception of Farmers of Communal and Individual Stalls Towards the Role of Extension on Integrated Farming in Pelalawan District. Jurnal Penyuluhan, 15(2), 217-229. https://doi.org/10.25015/15201919248