Piedragoza, M. V. L. (2013). Teachers' English speaking accuracy: Effects on pupils' critical thinking skills and science achievement. College of Education, University of the Philippines Diliman.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPiedragoza, Ma. Veronica Livelo. Teachers' English Speaking Accuracy: Effects on Pupils' Critical Thinking Skills and Science Achievement. Quezon City: College of Education, University of the Philippines Diliman, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPiedragoza, Ma. Veronica Livelo. Teachers' English Speaking Accuracy: Effects on Pupils' Critical Thinking Skills and Science Achievement. College of Education, University of the Philippines Diliman, 2013.
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