Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 仲井 勝巳,Practicing Free Science Research During Summer Vacation: Focus on 4th to 6th Grade Elementary School,聖学院大学論叢 = 第35巻,0915-2539,聖学院大学,2023-03-15,第2号,9152539,81-92,https://cir.nii.ac.jp/crid/1390296376263138304,https://doi.org/10.15052/00004075