Monalisa, Herna Rinayanti Manurung, Lidya Natalia Sinuhaji, Nofita Rifka Br Meliala, and Nurul Sari Pazira, “THE INFLUENCE OF SMARTPHONES ON BEHAVIOR SEXUAL TEENAGE IN HUTAGAOL VILLAGE PEATALUN, BALIGE DISTRICT TOBA DISTRICT YEAR 2022THE INFLUENCE OF SMARTPHONES ON BEHAVIOR SEXUAL TEENAGE IN HUTAGAOL VILLAGE PEATALUN, ”, MIHHICo, vol. 2, no. 1, pp. 18–24, Jan. 2024.