M. S. Hamdi, S. S. Satrio Sudarso, N. Sabila, M. A. Hidayatulloh, and R. A. Wijaya, “Eco-Friendly Car Fragrance: Coffee Bean Innovation Boosts Local MSMEs”, icecrs, vol. 13, no. 1, p. 10.21070/icecrs.v13i1.2061, May 2025.