APA-viite

Vallecillo Alfaro, J., & Albertazzi Osorio, S. (2025). Determining Language Proficiency Levels in Preschool Teachers in Cartago: A University Extension Activity Funded by Law 9829.

Chicago-tyylinen lähdeviittaus

Vallecillo Alfaro, Johanny, ja Sonia Albertazzi Osorio. Determining Language Proficiency Levels in Preschool Teachers in Cartago: A University Extension Activity Funded By Law 9829. 2025.

MLA-viite

Vallecillo Alfaro, Johanny, ja Sonia Albertazzi Osorio. Determining Language Proficiency Levels in Preschool Teachers in Cartago: A University Extension Activity Funded By Law 9829. 2025.

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