et. al., Rex S. Langngag,. “EFFECT OF PLANT GEOMETRY ON GROWTH AND YIELD OF HEIRLOOM CORN CULTIVARS UNDER TABUK CITY CONDITION”. International Journal of Modern Agriculture 10, no. 2 (March 28, 2021): 1003 - 1011. Accessed April 24, 2024. http://modern-journals.com/index.php/ijma/article/view/812.