SITI ZARINA MOHD MUJI; ZARINA TUKIRAN. ELECTRICAL & ELECTRONIC ENGINEERING: THEORY AND APPLICATIONS SERIES 2: ULTRASONIC AND APPLICATION. [s.l.] : Penerbit UTHM,2015. Disponível em: https://penerbit.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/143. Acesso em: 9 apr. 2026.