Social aspects of technical assistance in operation/ by Morris E. Opler.
Opler, Morris E
Social aspects of technical assistance in operation/ by Morris E. Opler. - Paris : UNESCO, 1954. - 79 p. - Tensions and technology series .
341.232. 5 =20 "1954" OPL.
Social aspects of technical assistance in operation/ by Morris E. Opler. - Paris : UNESCO, 1954. - 79 p. - Tensions and technology series .
341.232. 5 =20 "1954" OPL.