Rae-Eun Kim. “The Effects of The Science Education Program Based on Pedagogical Content Knowledge (PCK) of Kindergarten Teachers on Scientific Knowledge, Scientific Inquiry Skill, and Scientific Inquiry Attitude of Young Children in Korea ”. Elementary Education Online, vol. 20, no. 3, Dec. 2023, pp. 1042-53, https://ilkogretim-online.org./index.php/pub/article/view/1972.