W. Anggraini, S. Salman, Y. Febriani, M. Indriana, and M. Muzakkir, “Formulation and Evaluation of Lemongrass Scented Gel with a Combination of Carrageenan, Xanthan Gum, and HPMC Bases”, JPS, vol. 9, no. 1, pp. 533–540, Feb. 2026.