FAROOQ, Umar; MAQBOOL, Qasim; ABBAS, Mazhar; BAIG, Mirza Nadeem; NAWAZ, Muhammad Shahid. Impact and Usage of Cell Phones on Students Academic Concentration. Pollster Journal of Academic Research, [S. l.], v. 1, n. 1, p. 1–8, 2014. Disponível em: https://pollsterpub.org/OJS_PJAR/index.php/PJAR/article/view/2.. Acesso em: 17 sep. 2025.