Mohamad Riyadi, Daswa and Mia Aditya Putri (2022) “Solusi Model Merokok Menggunakan Metode Perturbasi Homotopi”, Limits: Journal of Mathematics and Its Applications, 18(2), pp. 109–117. vailable at: https://journal.its.ac.id/index.php/limits/article/view/5222 (ccessed: 6December2025).