Marinova, V., Stoyanova, A. Paper Recycling in Covid-19 Conditions. Varna: Union of Scientists - Varna, 2020 pp. 43 - 52, ISSN 1314-7390 (рrint) ; 2603-4085 (online).
Marinova, V., Stoyanova, A. Paper Recycling in Covid-19 Conditions. Varna: Union of Scientists - Varna, 2020 pp. 43 - 52, ISSN 1314-7390 (рrint) ; 2603-4085 (online).
Marinova, V., Stoyanova, A. (2020) Paper Recycling in Covid-19 Conditions, Varna: Union of Scientists - Varna pp. 43 - 52, ISSN 1314-7390 (рrint) ; 2603-4085 (online).
Marinova, V., & Stoyanova, A. (2020). Paper Recycling in Covid-19 Conditions. Varna: Union of Scientists - Varna, pp. 43 - 52.
Marinova V, Stoyanova A. Paper Recycling in Covid-19 Conditions. Varna: Union of Scientists - Varna; 2020. p. pp. 43 - 52. ISBN: ISSN 1314-7390 (рrint) ; 2603-4085 (online).
