TY  - BOOK
ED  - Appropriate Technology Development Institute.
ED  - Papua New Guinea University of Technology. Appropriate Technology Development Institute.
TI  - Annual handbook
PY  - 1990///-1991
CY  - Lae
PB  - The Institute
KW  - Papua New Guinea University of Technology. Appropriate Technology Development Institute
KW  - Appropriate technology
KW  - Papua New Guinea
KW  - Handbooks, manuals, etc
N1  - 1989 and 1990 issues
ER  -