Inayah, Suwaibah Ummul, et al. “STABILITAS HASIL LIMA KULTIVAR GANDUM”. Jurnal Ilmu-Ilmu Pertanian, vol. 1, no. 2, Dec. 2005, pp. 153-60, https://jiip.polbangtanyoma.ac.id/index.php/jiip/article/view/278.