Denchev, S., et al. National security "benefits" and harms of Covid-19 when applying the learning by doing approach in the sphere of education. София: 2021 p. 58-62,.
Denchev, S., et al. National security "benefits" and harms of Covid-19 when applying the learning by doing approach in the sphere of education. София: 2021 p. 58-62,.
Denchev, S., et al. (2021) National security "benefits" and harms of Covid-19 when applying the learning by doing approach in the sphere of education, София: p. 58-62,.
Denchev, S., & et al. (2021). National security "benefits" and harms of Covid-19 when applying the learning by doing approach in the sphere of education. София: p. 58-62.
Denchev S, et A. National security "benefits" and harms of Covid-19 when applying the learning by doing approach in the sphere of education. София: 2021. p. p. 58-62.
