Noris Mohd Norowi, Nur Asilah Anuar, Mas Rina Mustaffa, Masnida Hussin, and Nurul Amelina Nasharuddin, “Content-based Audio Classification System for Bird Sounds ”, J. Adv. Res. Appl. Sci. Eng. Tech., vol. 33, no. 3, pp. 307–318, Nov. 2023.