Fatema Mohammed Abdalla, Abdaslam M. Almathnani 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 (Dec. 2021). DOI:https://doi.org/10.51984/jopas.v18i4.2221.