Chemical Characterization of Pineapple Leaf Residue Chars generated by Controlled Combustion and by open burningL.Y. Leng, M. H. A. Husni, A. W. Samsuri, Norawanis Abdul Razak, N. M. Lailina and Ras Izzati IsmailMATEC Web Conf., 97 (2017) 01061DOI: https://doi.org/10.1051/matecconf/20179701061