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keyword: difference-in-differences – 4 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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Frontiers in Healthy Cities

Jie Chen et al. (editors)

AVAILABLE!
Book cover
Jie Chen et al. (editors)

Energy Consumption in a Smart City

Benedetto Nastasi and Andrea Mauri, editors

AVAILABLE!
Book cover
Benedetto Nastasi and Andrea Mauri, editors
AVAILABLE!
Book cover