Mabitazan M-C, Mabitazan R. Automated System that Monitors and Controls the pH and Electrical Conductivity of a Closed-Hydroponic Setup. ASRJETS-Journal [Internet]. 2021 Nov. 13 [cited 2024 Jul. 3];83(1):113-31. Available from: https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/7137