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Hassan, M. Baharum, A. Ali, MKM. (2020). Logarithmic penalty function method for invex multi-objective fractional programming problems. Journal of Taibah University for Science (Taylor & Francis), Vol. 14, Issue 1, pp 211-216. Doi:10.1080/16583655.2020.1715051
Hassan, M. Baharum, A. (2019). Modified Courant-Beltrami Penalty Function and Its Convergence. AIP Conference Proceedings, Vol. 2184, Issue 040001, pp 040001-1-04001-8.
Hassan, M. Baharum, A. (2019). Modified Courant-Beltrami Penalty Function and a Duality Gap for Invex Optimization Problem. International Journal for Simulation and Multidisciplinary Design Optimization (EDP Science), Vol. 10, A10. DOI:10.1051/smdo/2019010
Hassan, M. Baharum, A. (2019). Generalized Logarithmic Penalty Function Method for Solving Smooth Nonlinear Programming Involving Invex Functions. Arab Journal of Basic and Applied Sciences (Taylor & Francis), Vol. 26, Issue 1, pp 202-214. Doi:10.1080/25765299.2019.1600317
Hassan, M. Baharum, A. (2019). A new Logarithmic Penalty Function Approach for Nonlinear Constrained Optimization Problem. Decision Science Letters (Growing Science), Vol. 8, Issue 3, pp 353-362. Doi:10.5267/j.dsl.2018.8.004