Ragragio, J. M. The design and application of manual scalogram method for spatial analysis in the Bicol IAD Area. Philippine planning journal.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRagragio, Junio M. "The Design and Application of Manual Scalogram Method for Spatial Analysis in the Bicol IAD Area." Philippine Planning Journal .
एमएलए (9वां संस्करण) प्रशस्ति पत्रRagragio, Junio M. "The Design and Application of Manual Scalogram Method for Spatial Analysis in the Bicol IAD Area." Philippine Planning Journal, .
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