TY  - BOOK
AU  - Wilson,Michael
ED  - Papua New Guinea.
TI  - Communications: science teachers guide, grade 9, unit 3 
PY  - 1981///
CY  - Port Moresby
PB  - Dept. of Education, Curriculum Unit
KW  - Communication
KW  - Study and teaching (Secondary)
KW  - Papua New Guinea
ER  -