Udoumoh EF, Ekpo A, Ikughur JA, Kunde AJ. A Semi-Markov Model for the Analysis of Crude Oil Spills in Niger Delta Region, Nigeria. EJMS [Internet]. 2026Aug.11 [cited 2026Aug.15];16(5):973-89. Available from: https://earthlinepublishers.com/index.php/ejms/article/view/1269