"Effect of Plant Age on Fresh Rhizome Yield and Volatile Oil Composition of Acorus calamus Linn". (2025) University of Khartoum Journal of Agricultural Sciences, 16(1). موجود في: https://onlinejournals.uofk.edu/uofkjas/article/view/1996 (تاريخ الوصول: 25 مايو 2026).