Bouarar, Ahmed Chemseddine, et al. “Extending the Theory of Planned Behavior to Explain Intention to Use Online Food Delivery Services in the Context of COVID-19 Pandemic”. Advances in Global Services and Retail Management: Volume 2, edited by Muhammed Yazeed et al., SPB University Press, 2021, https://books.domainpress.org/index.php/spbup/catalog/book/30/chapter/145.