Relationship between academic procrastination and internet addiction in Peruvian university students: the mediating role of academic self-efficacy - Chavez-Yacolca, Dana Rocio; Castro-Champión, Ruth Beatriz; Cisneros-Gonzales, Nely Marlene; Cunza-Aranzábal, Denis Frank; Morales-García, Mardel; Abanto-Ramírez, Carlos D. (Frontiers in Psychology, 2025)