Malpica Chavarria EA, Garzón Umerenkova A. Procrastination frequency and reasons: impact of high-school year, gender, self-regulation, and self-efficacy. REFU [Internet]. 2024May15 [cited 2024Jul.17];26(2):171-84. Available from: https://revistascientificas.us.es/index.php/fuentes/article/view/23502