Predicting A Monotonic Trend of The Surface Air Temperature Using Generalized Additive Model (Gam) Over North-Eastern Region of Nigeria . J.P.A.S [Internet]. 2025 May 19 [cited 2025 Dec. 13];25(1):60-77. Available from: https://atbuscienceforum.com.ng/index.php/jpas/article/view/159