Risda Asfina, Elvi Rahmi and Eva Yumami 2023. Workshop Manajemen Kepemimpinan dan Public Speaking bagi Pemuda di Kabupaten Bengkalis : Workshop on Leadership Management and Public Speaking for the Youth in Bengkalis Regency . SENTIMAS: Seminar Nasional Penelitian dan Pengabdian Masyarakat. 1, 1 (Aug. 2023), 326-330.