Catral, M. L. D. An evaluation of food & beverage training programs: Philippines and Brunei.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCatral, Ma. Lourdes David. An Evaluation of Food & Beverage Training Programs: Philippines and Brunei.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCatral, Ma. Lourdes David. An Evaluation of Food & Beverage Training Programs: Philippines and Brunei.
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