Recommended Standard for Child-Staff Ratios in Center-Based ECEC Settings for Preschool-Aged Classrooms.
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https://figshare.com/articles/dataset/Recommended_Standard_for_Child-Staff_Ratios_in_Center-Based_ECEC_Settings_for_Preschool-Aged_Classrooms_/4571095
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资源简介：
Recommended Standard for Child-Staff Ratios in Center-Based ECEC Settings for Preschool-Aged Classrooms.
创建时间：
2017-02-01
