Avramova, NadyaMihaylova, IvankaYaneva-Ribagina, KrassimiraBonev, BoykoNenov, Stanislav2023-02-032023-02-032021Dental students’ perspectives on the implementation and effectiveness of online learning due to COVID-19 pandemic: a descriptive cross-sectional study in Bulgaria / Nadya Avramova, Ivanka Mihaylova, Krassimira Yaneva-Ribagina, Boyko Bonev, Stanislav Nenov // Advanced education. – 2021. – Iss. 18. – Pp. 109-118.https://ela.kpi.ua/handle/123456789/52358encoronavirusdental studentsonline educationCOVID-19 vaccinepublic healthDental students’ perspectives on the implementation and effectiveness of online learning due to COVID-19 pandemic: a descriptive cross-sectional study in BulgariaArticlePp. 109-118https://doi.org/10.20535/2410-8286.231011