Environmental Science 2 pupil's guide. part 1

Environmental Science 2 pupil's guide. part 1

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 1973.
Edizioa:Revised experimental edition.
Gaiak:
Ecology > Problems, questions, exercises.
Ecology > Study and teaching.