APA (7 वां संस्करण) प्रशस्ति पत्र

Naula Guamán, E. E., & González Hurtado, F. E. Grammar reinforcement in the learning of english in the fourth grade in the urban area.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Naula Guamán, Elvia Esperanza, और Fanny Elvira González Hurtado. Grammar Reinforcement in the Learning of English in the Fourth Grade in the Urban Area.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Naula Guamán, Elvia Esperanza, और Fanny Elvira González Hurtado. Grammar Reinforcement in the Learning of English in the Fourth Grade in the Urban Area.

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