Developing products for the low-income groups

Bibliográfalaš dieđut
Váldodahkki: Villegas, Bernardo M. (Dahkki)
Materiálatiipa: Analytics
Giella:eaŋgalasgiella
Almmustuhtton: Manila, Philippines Center for Research and Communication 1973.
Ráidu:Economics and society priorities for development
Fáttát: