Adeniji, E.A., Ogundipe, S.O., Ajayi , A.A., Ojo, K.S. and Akinrinlola, S.A. 2024. Combination-combination synchronization of chaotic fractional order systems. Nigerian Journal of Physics. 32, 4 (Feb. 2024), 57–65. DOI:https://doi.org/10.62292/njp.v32i4.2023.158.