OLATUNJI, T. L., and A. J. AFOLAYAN. “Contributions to the Classification of Capsicum Annuum L. and Capsicum Frutescens L. In West Africa Using Morphological Traits”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol. 47, no. 1, Sept. 2018, pp. 135-42, doi:10.15835/nbha47111204.