Some ideas on improved science equipment /
Inversin, Allen R.
Some ideas on improved science equipment / prepared for the Workshop on Low-Cost Science Teaching Materials held by the Commonwealth Secretariat at Unitech, Lae, Papua New Guinea, 19-31 March 1979 by Allen R. Inversin. - Lae : Appropriate Technology Development Unit, Papua New Guinea University of Technology, 1979. - 25 p.
90032114
Science apparatus and instruments.
Science--Study and teaching.
Some ideas on improved science equipment / prepared for the Workshop on Low-Cost Science Teaching Materials held by the Commonwealth Secretariat at Unitech, Lae, Papua New Guinea, 19-31 March 1979 by Allen R. Inversin. - Lae : Appropriate Technology Development Unit, Papua New Guinea University of Technology, 1979. - 25 p.
90032114
Science apparatus and instruments.
Science--Study and teaching.