Giteshwari Pandey, A. K. Mishra, S. K. Pandey and R. N. Singh (2026) “Gradient η-Ricci Solitons on ϕ-Projectively Flat Lorentzian Para-Kenmotsu Manifolds”, IJRDO -JOURNAL OF MATHEMATICS, 12(1), pp. 60-75. doi: 10.69980/m.v12i1.6685.