Martínez Stark, Peggy, Bernardita Stark, & María del Rocío Robledo. " Effects of screen´s use on executive functions from the perception of parents and children: A case study in the age group 9 to 16 years old in Asunción, Paraguay, 2024-2025." Medical Research Archives [Online], 13.7 (2025): n. pag. Web. 9 Jan. 2026