Warsiki, Endang, Rini Nofrida, and Indah Yuliasih. “Pemanfaatan Ekstrak Daun Erpa (Aerva Sanguinolenta) Untuk Label Cerdas Indikator Warna”. Jurnal Ilmu Pertanian Indonesia 18, no. 1 (August 24, 2014): 15–19. Accessed January 11, 2026. https://journal.ipb.ac.id/JIPI/article/view/8349.