Mohammad Siddique, Mohammad Najam Khan, Faisal Mushtaq, Ehsanullah Kakar, Ali Nawaz Mengal, Suhail Ahmed Soomro, Anand Parkash4 Parkash, Abdul Sattar Jatoi. (2016) Potential Effect of Biomass Addition with Pakistani Low Rank Coal on Emission of SO2, , Volume 6, Issue 1.