Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NAKAGAWA Yoshiko and SHIOJI Akiko,"A Study of Play With Dirt, Mud, and Sand in Four-Year-old children",鳴門教育大学学校教育実践研究,,Naruto University of Education,2024-03,1,,111-123,https://cir.nii.ac.jp/crid/1390018351899783296,https://doi.org/10.24727/0002000390