Surtinah, Surtinah. 2015. “PENGUJIAN TIGA VARIETAS JAGUNG MANIS (Zea Mays Saccharata) DI RUMBAI KOTA PEKANBARU”. Jurnal Ilmiah Pertanian 12 (1), 37-43. https://doi.org/10.31849/jip.v12i1.1269.