TY - BOOK AU - Koigiri,Atawe ED - Papua New Guinea University of Technology. Mathematics Education Centre. TI - Year 12 students' mathematical performance on the 1982 external examination T2 - Technical report PY - 1984/// CY - Lae PB - Mathematics Education Centre KW - Mathematics KW - Papua New Guinea KW - Examinations, questions, etc KW - Study and teaching (Secondary) ER -