00678cas a2200205 a 4500001000800000005001700008008004100025019001200066035002100078035001200099040002700111245005500138246004400193260004200237300001900279362003000298650005600328710006400384785002400448207637420180809044310.0830927d19761980pp x 0 a0eng d1 a2875649 9(AuCNLDY)2236078 a2076374 aZNUCbengcZNUCdNSL:R00aE.R.U. working paper /cEducational Research Unit.3 aEducational Research Unit working paper aPort Moresby :bThe Unit,c1976-1980. a3 v. ;c30 cm.0 aNo. 1 (1976)-no. 3 (1980) 0aEducationzPapua New GuineaxResearchxPeriodicals.2 aUniversity of Papua New Guinea.bEducational Research Unit.04tERU research report