Kaewtubtim, Maitree. “Effects of Nitrogen Fertilizer Rate on Quality of Puko Pomelo (Citrus Grandis (L.) Osbeck) Cv. Puko”. Princess of Naradhiwas University Journal 13, no. 2 (May 12, 2021): 342–353. Accessed May 5, 2024. https://li01.tci-thaijo.org/index.php/pnujr/article/view/244519.