Castroverde, J. M., Castroverde, Y. L., & Lirag, E. S. (2011). Cultural environment and learning achievement of pupils in the division of city schools of the City of Naga. SedVitae.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCastroverde, Jacob M., Yolanda L. Castroverde, और Emma S. Lirag. "Cultural Environment and Learning Achievement of Pupils in the Division of City Schools of the City of Naga." SedVitae 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCastroverde, Jacob M., et al. "Cultural Environment and Learning Achievement of Pupils in the Division of City Schools of the City of Naga." SedVitae, 2011.
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