E. N. . Luluk Anggraini, A. . Syahza, and R. . Riadi, “Analisis dan Potensi Komoditi Unggulan Perkebunan Provinsi Riau (An Analysis and Potential of Leading Commodities of The Riau Province)”, jptam, vol. 6, no. 2, pp. 11057–11066, May 2022.