APA (7 वां संस्करण) प्रशस्ति पत्र
Abdullah, S., Symon Abdullah, & Shuvo Sobhan. (2006). DESIGNING MANUFACTURING OF AN IMPACT TESTING MACHINE TO STUDY STRENGTH OF PVC PIPE. ME DEPT MIST.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Abdullah, Symon, Symon Abdullah, और Shuvo Sobhan. DESIGNING MANUFACTURING OF AN IMPACT TESTING MACHINE TO STUDY STRENGTH OF PVC PIPE. Dhaka .: ME DEPT MIST, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Abdullah, Symon, et al. DESIGNING MANUFACTURING OF AN IMPACT TESTING MACHINE TO STUDY STRENGTH OF PVC PIPE. ME DEPT MIST, 2006.
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