AHMAN, Q. O. ., DIDUGWU, N. E., UGWU, C. S., EZAEGU , V. I. . and MBAH., G. C. E. . (2023) “SOLUTION OF A LARGE EVD COMPARTMENTAL MODEL SYSTEM USING HOMOTOPY PERTURBATION METHOD ”, International Research Journal of Applied Sciences, Engineering and Technology, 9(6), pp. 29–43. Available at: https://cirdjournals.com/index.php/irjaset/article/view/1159 (Accessed: 22 December 2025).