G. Tecson R, Mateo JM, Tamani J, Embat E. HydroNutriGuard: A Mobile-Based Hydroponics Nutrient Tracker with Recommender System for Lettuce. ject [Internet]. 2024Dec.31 [cited 2025Sep.13];1(2):12-9. Available from: https://www.isujournals.ph/index.php/ject/article/view/140