Suresh Kumar Sahani, Ram Hridya Mandal. “Modeling Population Growth in a Rural Area Using the Fourth-Order Runge-Kutta Method”. The International Journal of Multiphysics 16, no. 4 (December 31, 2022): 453 - 461. Accessed September 11, 2025. https://www.themultiphysicsjournal.com/index.php/ijm/article/view/1857.