MATEO, Josephine Mary; TAMANI, Jessica; EMBAT, Erica; G. TECSON, Renalyn. HydroNutriGuard: A Mobile-Based Hydroponics Nutrient Tracker with Recommender System for Lettuce. Isabela State University Linker: Journal of Engineering, Computing and Technology, [S. l.], v. 1, n. 2, p. 16–26, 2024. DOI: 10.65141/ject.v1i2.n2. Disponível em: https://www.isujournals.ph/index.php/ject/article/view/140. Acesso em: 26 feb. 2026.