Dhrubo, N. S., Islam, M. S., & Rafi, . T. U. I. (2021). Assistive Guideline of Categorization for Competitive Programming Problems. Brac University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDhrubo, Najmus Sakib, Md Samiul Islam, और Tahmid Ul Islam Rafi. Assistive Guideline of Categorization for Competitive Programming Problems. Brac University, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDhrubo, Najmus Sakib, et al. Assistive Guideline of Categorization for Competitive Programming Problems. Brac University, 2021.
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