Cayabyab, M. J. G., & Dela Torre, N. N. (2006). User satisfaction in the use of available alternative formats among visually impaired users of Library for the Blind Division of the National Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCayabyab, Mark James G., और Nathalie N. Dela Torre. User Satisfaction in the Use of Available Alternative Formats Among Visually Impaired Users of Library for the Blind Division of the National Library. Quezon City : Institute of Library and Information Science, University of the Philippines Diliman, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCayabyab, Mark James G., और Nathalie N. Dela Torre. User Satisfaction in the Use of Available Alternative Formats Among Visually Impaired Users of Library for the Blind Division of the National Library. 2006.
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