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keyword: variable cost – 2 free books.

doab These books are included in the Directory of Open Access Books. This means that they have been peer-reviewed and are of interest to scholars.

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Microeconomía básica en siete lecciones

Jorge Eliécer Gaitán Méndez

AVAILABLE!
Book cover
Jorge Eliécer Gaitán Méndez

Polymer Clay Nano-composites

Stefano Leporatti

AVAILABLE!
Book cover
Stefano Leporatti