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Choix et efficience des investissements : colloque franco-polonais ; Paris 17-20 mai 1960
Bettelheim, Charles (contributor);  … - 1963
Persistent link: https://www.econbiz.de/10001461682
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The problem of technological choices : preliminary
Bettelheim, Ch. - 1956
Persistent link: https://www.econbiz.de/10001901110
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Basic data needed for solving the problems of investment allocation and of technological choices : preliminary
Bettelheim, Ch. - 1956
Persistent link: https://www.econbiz.de/10001906816