WDP, Al Machfudz, and Widya Ningsih. 2017. “The Effect Of Plant Spacing And Number Of Plants Per Planting Hole On The Growth And Production Of Okra (Abelmoschus Esculentus L. Moench)”. Nabatia 5 (1), 19-. https://doi.org/10.21070/nabatia.v5i1.856.