Nurul Hidayah Abdul Razak, Development of copper(II) abd ammonia sensors based on poly (NBA)/bis-thiourea and poly aniline/carbon black sensing materials/ Nurul Hidayah Abdul Razak. - xxiv, 206 pages: illustrations; 30 cm. Tesis (Ph.D)-Universiti Kebangsaan Malaysia, 2022. Rujukan : mukasurat 159-172. Subjects--Corporate Names: Universiti Kebangsaan Malaysia--Dissertations. Subjects--Topical Terms: Copper.Ammonia.Polyanilines.Dissertations, Academic--Malaysia.