KUMAR, PRAMOD, et al. “Genotypic Differences in Photosynthesis and Its Associated Parameters in Relation to Yield Among Barnyard Millet (Echinochloa Frumentacea) ,genotypes under Rainfed Condition in Hills”. The Indian Journal of Agricultural Sciences, vol. 70, no. 4, Mar. 2013, https://epubs.icar.org.in/index.php/IJAgS/article/view/28196.