Walker, J., & Awange, J. (2020). Surveying for civil and mine engineers: Acquire the skills in weeks. Springer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalker, John, और Joseph Awange. Surveying for Civil and Mine Engineers: Acquire the Skills in Weeks. Cham: Springer, 2020.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWalker, John, और Joseph Awange. Surveying for Civil and Mine Engineers: Acquire the Skills in Weeks. Springer, 2020.
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