Legaspi, S. J. “Effect of planting distance on the performance of different upland rice varieties (Oryza sativa L.) grown organically under lowland conditions”. International Journal of Agricultural Technology 22, no. 5 (September 17, 2026): 2225–2246. accessed October 5, 2026. https://li04.tci-thaijo.org/index.php/IJAT/article/view/13653.