T. A. A. Salem and A. A. M. Saeed, “Assessment of the Elements and Oxides Concentration in the Dust of Asbestos Used in Roofs of Houses in Al-Qalluah Town, Yemen”, JNSLAS, vol. 4, no. 2, pp. 70–61, Jun. 2020, doi: 10.26389/AJSRP.T290120.