Al-Swefee H, Al-Hayali( S, Al-Janabi A. Enhanced Relative Humidity Sensor via Diameter of No-Core Fiber Structure. IJL [Internet]. 12Feb.2019 [cited 17Nov.2019];18(1):7-1. Available from: http://ijl.uobaghdad.edu.iq/index.php/IJL/article/view/185