Chang-Ik Kang

Automated sensing of hydroponic macronutrients using a computer-controlled system with an array of ion-selective electrodes

Kenneth A. Sudduth, Won-Kyung Kim, Hak-Jin Kim, 2013 .

Determination of Inorganic Phosphate in Paprika Hydroponic Solution using a Laboratory-made Automated Test Stand with Cobalt-based Electrodes

Soon-Goo Kwon, Hak Jin Kim, H. Kim, 2011 .