Sibak HA. ?EFFECT OF AMMONIUM SULFATE-SULFUR MIXTURE ON THE DIFFUSIVITY AND INDEX OF ACTIVITY OF AMMONIUM SULFATE. Pakistan Journal of Scientific & Industrial Research [Internet]. 2021 Sep. 13 [cited 2024 Nov. 22];41(3):113-5. Available from: https://v2.pjsir.org/index.php/biological-sciences/article/view/2247