On approximate Lagrangians and invariants for scaling reductions of a non-linear wave equation with damping. - Ferhana Ahmad; Abdul Hamid Kara; Ashfaque H. Bokhari; F. D. Zaman (Appl. Math. Comput., 2008)

Portfolio optimization of financial commodities with energy futures. - Lu Wang; Ferhana Ahmad; Gong-li Luo; Muhammad Umar; Dervis Kirikkaleli (Ann. Oper. Res., 2022)