Akhtar, Lal Hussain, John Gorham, and Muhammad Nasrullah. “?EFFECTS OF NaCI AND CaCl2 ON CALLUS TISSUE OF GOSSYPIUM HIRSUTUM L.CV. ACALA SJ2”. Biological Sciences - PJSIR 42, no. 5 (October 18, 1999): 260–272. Accessed June 7, 2025. http://biostaging.pjsir.org/index.php/biological-sciences/article/view/2178.