“The Effectiveness of the Active Debate Method on Speaking Skills in the Social Sciences Subject of Elementary School Students : Efektivitas Metode Debat Aktif Terhadap Keterampilan Berbicara Di Mata Pelajaran Ips Siswa Sekolah Dasar”. 2021. Indonesian Journal of Education Methods Development 14 (July): 1-4. https://doi.org/10.21070/ijemd.v14i.588.