H. N. Hailu, P. D. Remedios, N. Daniel, and V. R. Ancha, “Tribological investigation of blended vegetable oil (soybean & cottonseed) as alternative raw material to produce Bio-grease with sugarcane filter cake wax additive ”, Finnish J. Trib., vol. 42, no. 1–2, pp. 35–44, Jun. 2025.