Mazhar, Rubina, Asad-ur- Rehman, Ambreen Sadiq, Sikander Ali, Abdul Waheed, and Ikramul- Haq. 2004. “STUDYOF SOME KINETIC PARAMETERS FOR CITRIC ACID BIOSYNTHESISBY ASPERGILLUSNIGER MUTANT NG - 110 USING SHAKE FLASK TECHNIQUE: Short Communication”. Biological Sciences - PJSIR 47 (2):157-59. https://v2.pjsir.org/index.php/biological-sciences/article/view/1488.