Famoriji, Oluwole John, and Thokozani Shongwe. “A Multiclass Support Vector Machine Based Direction-of-Arrival Estimation Technique Using Spherical Antenna Array With Undefined Mutual Coupling”. Indonesian Journal of Electrical Engineering and Informatics (IJEEI), vol. 12, no. 1, Jan. 2024, pp. 32-39, https://doi.org/10.52549/.v12i1.4531.