Kaleeswari S, Selvaraj B. Oscillation Criteria for Higher Order Nonlinear Functional Dierence Equations: Critical Study. rsmcs-v1 [Internet]. 27Mar.2020 [cited 19Jun.2026];:105-13. Available from: https://stm1.bookpi.org/index.php/rsmcs-v1/article/view/1139