Jindarath Verawudh. “Effect of Spacings on Growth, Nutrients Uptake, Fruit Size Distribution and Yield of Pineapple”. Agriculture and Natural Resources 24, no. 1 (March 31, 1990): 33–44. accessed September 18, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/242097.