Muthulakshmi, Velu, and Subramani Pavithra. “Existence of Nonoscillatory Solutions for Mixed Neutral Fractional Differential Equation”. Discontinuity, Nonlinearity, and Complexity, vol. 9, no. 1, Aug. 2026, pp. 47-61, https://doi.org/10.5890/DNC.2020.03.004.