@book{46224,
	author = {Chola, Joseph},
	title = {Impact of Biological Science Curriculum study 5Es instructional model on grade 11 student's comprehension and attitudes towards Chemistry 5070 Acid-Base concepts taught in real world contexts},
	publisher = {Copperbelt University},
	year = {2014},
	address = {Kitwe},
	note = {Bibliography}
}