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Education and manpower for community health
Fry, Hilary Glen, (1967)
Povišavane na kačestvoto na rabotnata sila v NRB
Krinčev, Christo P., (1985)
Education and training : learning and working in a society in flux ; [International Seminar on Education and Training for the Workforce: Linking Work and Learning in a Changing Society 30 May - 1 June 1994 in Seoul]
Caston, Geoffrey, (1996)