00623nam a2200205 a 450000500170000002000150001708200160003210000190004824500640006726000480013130000160017949000570019563000140025263000270026670000180029396400160031199700120032799900170033995200610035620251203092036.0  a8170223296  a350.85bAGG  aAggarwal, J.C.  aDocumentation encyclopaedia of Unesco and education. Part 2  aNew DelhibConcept Publishing companyc1991  a799p.c20cm  aConcept in communication informatics & Librarianship  aEducation  aDocumentation - Unesco  aAgrawal, S.P.  bcdefg_  a63954 C  c61894d61894  00104070aPUbPUd1998-11-02l0o350.85 AGGp63954yBK