Muhammad Waqas, Razia Bashir, Haroon Ali, Arslan Shahzad and Tehmina Saddique, 2024. Optimizing Biofuel Yields from Spirogyra Microalgae: The Role of Extraction Techniques and Environmental Factors. Pakistan J. Zool., 42: 09-16. DOI: https://dx.doi.org/10.17582/ppcz/42.09.16