Mateo JM, Tamani J, Embat E, G. Tecson R. HydroNutriGuard: A Mobile-Based Hydroponics Nutrient Tracker with Recommender System for Lettuce. ject [Internet]. 2024 Dec. 31 [cited 2026 Feb. 26];1(2):16-2. Available from: https://www.isujournals.ph/index.php/ject/article/view/140