Elementary school science 2 things change. Teacher's manual

Bibliografski detalji
Glavni autor:	Curriculum Development Center for Science and Mathematics, Science Education Center, University of the Philippines
Format:	Knjiga
Jezik:	English
Izdano:	Manila Department of Education and Cutlture,Republic of the Philippines c1977a.
Teme:	Science > Problems, questions, exercises. Science > Study and teaching.