Principles of elementary-secondary education

Dades bibliogràfiques
Autor principal:	Gregorio, Herman C.
Altres autors:	Gregorio, Cornelia M. (joint author.)
Format:	Llibre
Idioma:	English
Publicat:	Quezon City R.P. Garcia Publishing Company c1984.
Matèries:	Education, Elementary > Philippines. Education, Secondary > Philippines.