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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रYuan, Jonas X. Liferay Portal 5.2 Systems Development: Build Java-based Custom Intranet Systems on top of Liferay Portal. Birmingham, U.K.: Packt Publishing Ltd., 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रYuan, Jonas X. Liferay Portal 5.2 Systems Development: Build Java-based Custom Intranet Systems on top of Liferay Portal. Packt Publishing Ltd., 2009.
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