KHAN, A. RASHEED, FAHIM UDDIN, and SALMA ALI. 1994. “?ADSORPTION STUDIES OF TARTARIC ACID FROM AQUEOUS SOLUTIONS ON CHARCOAL”. Biological Sciences - PJSIR 37 (1-2):40-42. https://v2.pjsir.org/index.php/biological-sciences/article/view/2568.