Phopaijit, S., Suraphonphinit, A., and Phakamas, N. “Effects of chicken manure and chemical fertilizer on Growth and Yield of Japonica Rice”. International Journal of Agricultural Technology 18, no. 1 (January 15, 2022): 293–310. accessed August 16, 2025. https://li04.tci-thaijo.org/index.php/IJAT/article/view/6616.