खोज परिणाम - "Vocational education Congresses."
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1
International congress on the development and improvementof technical and vocational education.
प्रकाशित 1988विषय:पुस्तक -
2
Trends and development of technical and vocational education ?
प्रकाशित 1990विषय:सम्मेलन की कार्यवाही