Production of activated carbon from corn cobs and mango kernels via H3PO4 activation and mediated hydrothermal treatmentJoaquin Victorino Mari Armonio, Ivan Joshua Caragdag, Jaylym Aldryne Escorpizo, Karizza Mae Miranda, April Joyce Raymundo and Erison RoqueMATEC Web Conf., 268 (2019) 06020DOI: https://doi.org/10.1051/matecconf/201926806020