@book{9535,
	author = {Placido, Rosita E. and Esteban, Angelita M.},
	title = {Classroom behavior problems, self-concept and academic achievement of grade VI pupils of Paranaque II school year 1998-1999:},
	publisher = {Olivarez College,},
	year = {1999.},
	address = {Parañaque City:}
}