Approaches to the science of social-economic development /
Lengyel Peter
Approaches to the science of social-economic development / Lengyel Peter. - Paris: unesco, 1971. - 383 p. : ill. :
Includes bibliography
Manufacturing and transport engineering
Economics
Approaches to the science of social-economic development / Lengyel Peter. - Paris: unesco, 1971. - 383 p. : ill. :
Includes bibliography
Manufacturing and transport engineering
Economics