Phawestrina, D. “Effectiveness of Massive Open Online Course (MOOC), Family Life Preparation for Teenagers”. Nusantara of Research : Jurnal Hasil-Hasil Penelitian Universitas Nusantara PGRI Kediri, Vol. 10, no. 3, Oct. 2023, pp. 308-21, doi:10.29407/nor.v10i3.19634.