Md Asaduzzamana, -, and Md Zulfikar Ali. 2020. “Existence of Positive Solution for a Nonlinear Weighted Bi-Harmonic System of Elliptic Partial Differential Equations via Fixed-Point Argument”. GANIT: Journal of Bangladesh Mathematical Society 40 (1), 54-70. https://doi.org/10.3329/ganit.v40i1.48195.