만 4, 5세 유아의 균등한 나눔 행동과 수 능력 간의 관계 최수경, 박유정, 김선희 인지발달중재학회지 2021 12권 1호

Relationship between equal sharing and numerical competence in four- to five-year-old children Sukyoung Choe, Youjeong Park, Sun Hee Kim Journal of cognitive Enhancement and Intervention 2021 Vol. 12, No. 1