Harvard Business School. (2005). Entrepreneur's Toolkit: Tools and Techniques to Launch and Grow your New Business. Harvard Business School Press.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিHarvard Business School. Entrepreneur's Toolkit: Tools and Techniques to Launch and Grow Your New Business. Boston, Massachuttes: Harvard Business School Press, 2005.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিHarvard Business School. Entrepreneur's Toolkit: Tools and Techniques to Launch and Grow Your New Business. Harvard Business School Press, 2005.
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