E. Warsiki, R. Nofrida, and I. Yuliasih, “Pemanfaatan Ekstrak Daun Erpa (Aerva sanguinolenta) untuk Label Cerdas Indikator Warna”, J. Ilmu. Pertan. Indones., vol. 18, no. 1, pp. 15–19, Aug. 2014, Accessed: Jan. 11, 2026. [Online]. Available: https://journal.ipb.ac.id/JIPI/article/view/8349