Cita APA

O'Brien Sánchez, K. A. (2013). Analysis of techniques for the development of english speaking skills in students of preschool level at Justo Abel Castillo Elementary School, La Concepción, Bugaba, Chiriquí, 2013. David, Panamá: UDELAS.

Citación estilo Chicago

O'Brien Sánchez, Karol Ayleen. Analysis of Techniques for the Development of English Speaking Skills in Students of Preschool Level At Justo Abel Castillo Elementary School, La Concepción, Bugaba, Chiriquí, 2013. David, Panamá: UDELAS, 2013.

Cita MLA

O'Brien Sánchez, Karol Ayleen. Analysis of Techniques for the Development of English Speaking Skills in Students of Preschool Level At Justo Abel Castillo Elementary School, La Concepción, Bugaba, Chiriquí, 2013. David, Panamá: UDELAS, 2013.

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