IPSED modules for Leyte-Samar region.

Библиографические подробности
Корпоративные авторы:	Integrated Program in Science Education for Development, National Science Development Board
Формат:	‌
Язык:	English
Опубликовано:	Quezon City Published for NSDB by UP Science Education Center 1981.
Предметы:	Science > Study and teaching (Secondary) > Philippines > Leyte. Science > Study and teaching (Secondary) > Philippines > Samar.