Ngassapa, O.D. Runyoro, D.K.B. Vagionas, K. Graikou, K. Chinou, I.B., Chemical composition and antimicrobial activity of geniosporum rotundifolium briq and haumaniastrum villosum (Bene) AJ Paton (Lamiaceae) essential oils from Tanzania, Tropical Journal of Pharmaceutical Research, (15), 107-113, 2016, Faculty of Pharmacy, University of Benin,