Science projects you can do formerly 101 science projects

Библиографические подробности
Главный автор:	Stone, George K.
Формат:	‌
Язык:	English
Опубликовано:	Englewood Cliffs, NJ Prentice-Hall c1963.
Предметы:	Science > Study and teaching. Science > Experiments, exercises. Science projects.