F.Simatupang, F., Y.Salamanang, Y., A.Tampubolon, A., F.Sianipar, F. and N.Sinaga, N. 2022. Improving the Self-Assessment Tools for Training in Speaking to Grade Seven Students of Junior High School. Jurnal sosial dan sains. 2, 3 (Mar. 2022), 410–418. DOI:https://doi.org/10.59188/jurnalsosains.v2i3.366.