Bhowmik, SK, MAR Sarkar, and F Zaman. “Effect of Spacing and Number of Seedlings Per Hill on the Performance of Aus Rice Cv. NERICA 1 under Dry Direct Seeded Rice (DDSR) System of Cultivation”. Journal of the Bangladesh Agricultural University 10, no. 2 (April 20, 2013): 191-196. Accessed September 23, 2019. https://www.banglajol.info/index.php/JBAU/article/view/14681.