Mitra, Sabyasachi, and B K Bhattacharya. 2005. “Water Use and Productivity of Greengram (Vigna Radiata Var Radiata) As Influenced by Spacing, Mulching and Weed Control under Rainfed Upland Situation of Tripura*”. The Indian Journal of Agricultural Sciences 75 (1). https://epubs.icar.org.in/index.php/IJAgS/article/view/9044.