Vergel, K. N., Cacho, F. T., & Capiz, C. L. E. A study on roadside noise generated by tricycles. Philippine Engineering Journal.
Chicago Style aipamenaVergel, Karl N., Frielly T. Cacho, and Cheryl Lyne E. Capiz. "A Study on Roadside Noise Generated by Tricycles." Philippine Engineering Journal .
MLA aipamenaVergel, Karl N., et al. "A Study on Roadside Noise Generated by Tricycles." Philippine Engineering Journal, .
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