Poudel MP, Chen S-E. Trends and Variability of Rice, Maize, and Wheat Yields in South Asian Countries: A Challenge for Food Security . 5005 [Internet]. 2012 Dec. 20 [cited 2024 Nov. 22];2(4):584-97. Available from: https://archive.aessweb.com/index.php/5005/article/view/624