Vargas Vega, B., & Velásquez Upegui, E. P. (2019). Acquisition of Nouns Derived from a Verb of English as L2. Universidad Pedagógica y Tecnológica de Colombia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVargas Vega, Brenda, और Eva Patricia Velásquez Upegui. Acquisition of Nouns Derived from a Verb of English as L2. Universidad Pedagógica y Tecnológica de Colombia, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVargas Vega, Brenda, और Eva Patricia Velásquez Upegui. Acquisition of Nouns Derived from a Verb of English as L2. Universidad Pedagógica y Tecnológica de Colombia, 2019.
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