“Automated Water and Nutrient Filling for the Reservoir of a Kratky Hydroponic for Pak Choi (Brassica rapa subsp chinensis) Cultivation: PENGISIAN AIR DAN NUTRISI OTOMATIS PADA RESERVOIR HIDROPONIK KRATKY UNTUK BUDIDAYA PAKCOY (Brassica rapa subsp chinensis)”, at, pp. 98–107, Oct. 2025, Accessed: Apr. 26, 2026. [Online]. Available: https://agritech.unhas.ac.id/ojs/index.php/at/article/view/1871