100 First prize make-it-yourself science fair projects
Vecchione, Glen
100 First prize make-it-yourself science fair projects - New Delhi Goodwill Publishing House - 208 p. 24 cm
978-81-7245-197-4
Science--Projects
5.001(076.5) / Vec
100 First prize make-it-yourself science fair projects - New Delhi Goodwill Publishing House - 208 p. 24 cm
978-81-7245-197-4
Science--Projects
5.001(076.5) / Vec