Hidayati, Noor. 2021. “Whatsapp-Based Online Learning on Social Science Subjects for Fifth-Grade Students in MIN 9 Hulu Sungai Selatan”. Al-Adzka: Jurnal Ilmiah Pendidikan Guru Madrasah Ibtidaiyah 11 (2):86-92. https://doi.org/10.18592/aladzkapgmi.v11i2.4772.