Yarni, N. 2018. Implementation of discussion methods to increase indonesian language students’ achievement at the sixth grade students in sdn. 03 perawang barat in academic year 2014/2015. Jurnal Ilmiah Pendidikan Scholastic. 1, 3 (Oct. 2018), 62–70. DOI:https://doi.org/10.36057/jips.v1i3.147.