Paman, U. ., Khairizal, and S. . Sutriana. “Investigating Farm Machinery Breakdowns and Service Support System Conditions in Rainfed Rice Areas in Riau Province, Indonesia”. Asian Journal of Agriculture and Rural Development, vol. 12, no. 3, Aug. 2022, pp. 182-91, doi:10.55493/5005.v12i3.4578.