Kassem ع. م., Hamed ع. ا., and Hussein م. ع., “Foliar epidermal characters of some Senna Mill species (Caesalpinoideae) from Toor Al- Baha District, Lahj Gov., Yemen”, Univ. Aden J. Nat. and Appl. Sc., vol. 27, no. 1, pp. 59–77, Apr. 2023.