Surtinah, S. “PENGUJIAN TIGA VARIETAS JAGUNG MANIS (Zea Mays Saccharata) DI RUMBAI KOTA PEKANBARU”. Jurnal Ilmiah Pertanian, Vol. 12, no. 1, Aug. 2015, pp. 37-43, doi:10.31849/jip.v12i1.1269.