Aminudin, Ahmad and Djamal, Mitra and Suprijadi, Suprijadi and Tjahyono, Daryono Hadi GIANT MAGNETORESISTANCE SENSOR FOR FERRIC CHLORIDE DETECTION USING MAGNETIC DISTURBANCE METHOD. Proceeding of International Conference On Research, Implementation And Education Of Mathematics And Sciences 2015. ISSN 978-979-96880-8-8