HABIBULLAH, Muhammad Hambali; ZAINAL ABIDIN, Mastura Shafinaz; ABD RAHMAN, Shaharin Fadzli. Prototype Development of Paper Based Sensor for Ammonia Detection in Water. ELEKTRIKA- Journal of Electrical Engineering, [S. l.], v. 17, n. 2, p. 20–24, 2018. DOI: 10.11113/elektrika.v17n2.93. Disponível em: https://elektrika.utm.my/index.php/ELEKTRIKA_Journal/article/view/93. Acesso em: 20 apr. 2024.