Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Lumbantobing Riris and SHIMIZU Kinya and KINOSHITA Hiroyoshi,Elementary Sclence Teachers' Perceptions of Problem-Solving Skills in Indonesia and Japan : Focusing on Teaching Objectives and Teaching Method,The Bulletin of Japanese Curriculum Research and Development,02880334,Japan Curriculum Research and Development Association,2006-03-10,28,4,51-60,https://cir.nii.ac.jp/crid/1390001205163821312,https://doi.org/10.18993/jcrdajp.28.4_51