Sensing Techniques on Determination of Chlorine Gas and Free Chlorine in Water. - Janudin, Nurjahirah; Kasim, Noor Azilah Mohd; Knight, Victor Feizal; Halim, Norhana Abdul; Noor, Siti Aminah Mohd; Ong, Keat Khim; Yunus, Wan Md Zin Wan; Norrrahim, Mohd Nor Faiz; Misenan, Muhammad Syukri Mohamad; Razak, Mas Amira Idayu Abdul; Ahmad, Muhammad Zamharir; Yaacob, Mohd. Hanif (J. Sensors, 2022)