Almakhzoum خ. أ. أ. ح. and Almaqtari م. ع., “Chemical and Biochemical Evaluation of Aloe vacillans Forsskål forms and their Taxonomical Significance Cultivated in Amran Governorate-Yemen”, Univ. Aden J. Nat. and Appl. Sc., vol. 29, no. 2, pp. 11–26, Dec. 2025.