00606nam a2200157Ia 4500008004100000020001800041040001700059082003100076100001600107245005400123260002400177300000900201440008800210500008200298650006800380190328s9999||||xx |||||||||||||| ||und||  a92-3-101404-8  aNITILcNITIL  221sta371.425095493bA832P  aDiyasena, W 0aPre-vocational education in Sri LankacW Diyasena  aParisbUNESCOc1976  a49p.  aExperiments and innovations in-education; series no. 28; Experiment and innovations  aStudy prepared for the Asian centre of Educational innovation for development  aEducation, Elementary-Sri Lanka; Vocational education-Sri Lanka