Development of environmental pollution experiments for the high school

Opis bibliograficzny
1. autor:	Ruiz, Caesar Castro 1928-
Format:	Praca dyplomowa
Język:	English
Wydane:	1971.
Hasła przedmiotowe:	Pollution > Study and teaching (Secondary)zPhilippines. Air > Pollution > Philippines. Water > Pollution > Philippines. Biology > Study and teaching (Secondary) > Philippines. Biology > Experiments.