Hossain, T. A., & Adrita, U. W. (2022). Versatile Travels & Tours Ltd. and its entry in world of online booking engine as flyversatile.com. Brac University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHossain, Tahsin Arbid, और Ummul Wara Adrita. Versatile Travels & Tours Ltd. and Its Entry in World of Online Booking Engine as Flyversatile.com. Brac University, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHossain, Tahsin Arbid, और Ummul Wara Adrita. Versatile Travels & Tours Ltd. and Its Entry in World of Online Booking Engine as Flyversatile.com. Brac University, 2022.
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