Hu, Jiaxiang, și Xingyu Chen. 2018. „Study on the Satisfaction of Consumers with Online Ordering Services and Its Influencing Factors in O2O mode: A Microcosmic Perspective on the Provision of Takeout Services”. Revista de Cercetare si Interventie Sociala 63 (decembrie): 230-53. https://www.rcis.ro/journal/article/view/2506-study-on-the-satisfaction-of-consumers-with-online.