Mohammed Abdalla, F. ., & M . Almathnani, A. . (2021). The effect of pollution by gravel cruches dust in the city of sebha,libya on the germination and growth of beans of phaseolus vulgaris and vigna unguiculata plants. Journal of Pure & Applied Sciences , 18(4). https://doi.org/10.51984/jopas.v18i4.2221