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. JOPAS [Internet]. 2021 Dec. 30 [cited 2026 Jan. 29];18(4). Available from: https://sebhau.edu.ly/journal/jopas/article/view/2221