Moustafa, A., Mansour, S. (2022). Impact of Covid-19 on the environment. test, 25(1), 59-65. doi: 10.21608/cat.2022.154869.1140
Abdelrauf A. Moustafa; Samira R. Mansour. "Impact of Covid-19 on the environment". test, 25, 1, 2022, 59-65. doi: 10.21608/cat.2022.154869.1140
Moustafa, A., Mansour, S. (2022). 'Impact of Covid-19 on the environment', test, 25(1), pp. 59-65. doi: 10.21608/cat.2022.154869.1140
Moustafa, A., Mansour, S. Impact of Covid-19 on the environment. test, 2022; 25(1): 59-65. doi: 10.21608/cat.2022.154869.1140