Heejun Chang

Heejun Chang is a professor of geography and associate dean for research and graduate programs at Portland State University. Provided by Wikipedia
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    What explains spatial variations of COVID-19 vaccine hesitancy?: a social-ecological-technological systems approach

    What explains spatial variations of COVID-19 vaccine hesitancy?: a social-ecological-technological systems approach by Arun Pallathadka, Heejun Chang, Daikwon Han

    Published 2022
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