Aziz, M. A., and A. A. Miah. “?EFFECT OF SOWING DATE ON THE YIELD AND YIELD COMPONENTS OF SHORT DURATION PIGEONPEA”. Biological Sciences - PJSIR, vol. 42, no. 5, Oct. 1999, pp. 257-9, https://v2.pjsir.org/index.php/biological-sciences/article/view/2174.