Ahmad, I., Ali, N., Qadir, A., Shahzad, K., & Saleem, M. (2018). Effect of catalyst (aluminum oxide) on bio-oil yield from pyrolysis of Pakistani Cotton Stalk. Journal of the Pakistan Institute of Chemical Engineers, 46(1), 23–34. Retrieved from http://piche.org.pk/journal/index.php/jpiche/article/view/402