Practical activities for out of school science and technology education D. Venkatasamy ; assisted by M. Vas, A. Appadoo, B. Putty.

Practical activities for out of school science and technology education

Библиографические подробности
Главный автор: Venkatasamy, D.
Формат: ‌
Опубликовано: [Paris] Divsion of Science and Environmental Education, Unesco c1986.
Серии:Science and technology document series 17
Предметы:
Science > Study and teaching.