Nanware, J.A. and Gadsing, M.N. 2024. SOLUTIONS OF HIGHER ORDER SINGULAR NONLINEAR (l-1,1) CONJUGATE-TYPE FRACTIONAL DIFFERENTIAL EQUATIONS WITH LOWER-UPPER SOLUTION. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO). 13, 2 (Apr. 2024), 61–73.