(2007). Time management secrets: Guidelines ... [và những người khác]. Singapore: Thomson.
শিকাগো স্টাইলে সাইটেশনTime Management Secrets: Guidelines ... [và Những Người Khác]. Singapore: Thomson, 2007.
এমএলএ সাইটেশনTime Management Secrets: Guidelines ... [và Những Người Khác]. Singapore: Thomson, 2007.
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