Integrated science 1 student's text

Xehetasun bibliografikoak
Egile nagusia:	Science Education Center, University of the Philippines
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	Quezon City Science Education Center, University of the Philippines 1972
Gaiak:	Science > Problems, questions, exercises. Science > Study and teaching.