Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Akeno Seiko,Factors Associated with Child-care Happiness Scores of Mothers by the Age of their Children,Journal of Japan Academy of Community Health Nursing,1346-9657,Japan Academy of Community Health Nursing,2023,26,1,50-58,https://cir.nii.ac.jp/crid/1390858851008503552,https://doi.org/10.20746/jachn.26.1_50