1. Tools for Detecting and Control of Hydroponic Nutrition Flows with Esp8266 Circuit Module. (July 2019) Authors: Sihombing, Poltak; Zarlis, Muhammad; Heriyance, ; Alkarina, Nadia Journal: Journal of physics Issue: Volume 1230(2019) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗