Ahmad I, Ali S, Jane MR. ?PHYSICO-CHEMICAL STUDIES OF EFFLUENTS_AND EMISSIONS OF GHEEIEDIBLE OIL INDUSTRIES IN PAKISTAN. Pakistan Journal of Scientific & Industrial Research [Internet]. 1999 Jun. 21 [cited 2024 Nov. 22];42(3):121-5. Available from: http://v2.pjsir.org/index.php/biological-sciences/article/view/2129