Fine-Tuning VGG19 with Mel Spectrograms for Amazigh Spoken Digit Recognition. - Boulal, Hossam; Benzirar, Abdelkader; Hamidi, Mohamed; Barkani, Jamal; Essahlaoui, Abdelouahed; Abarkan, Mustapha (EPJ Web of Conferences, 2026)