Thomas B, Sreekumar S. Combining ability for biological nitrogen fixation traits and yield components in black gram [<i>Vigna mungo</i> (L.) Hepper]. JTA [Internet]. 2006 Oct. 19 [cited 2024 Apr. 29];39(2):93-7. Available from: https://jtropag.kau.in/index.php/ojs2/article/view/31