@book{14497,
	author = {Rikza Zahid and Dr. Kiran Aftab},
	title = {Extraction and Characterzation of Humic Substances from Indiginous Coal Resources /},
	publisher = {M.Phil ; Chemistry (2015-GCWUF-0199),},
	year = {2017.},
	address = {Faisalabad:},
	note = {Include Index and bibliography p. 81-84}
}