Punjab
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Prakash, A. / Manes, G. S. / Dixit, A. / Singh, M. (2013): Performance Status of Rotavators being Manufactured in Punjab. Dans: Journal of The Institution of Engineers (India): Series A, v. 94, n. 1 (mars 2013), pp. 53-58.
https://doi.org/10.1007/s40030-013-0038-7
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Farrell, R. C. (1900): Railway Flood-Works in the Punjab and Sind, Relative to the North Western State Railway. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 140, n. 1900-2 ( 1900), pp. 130-142.
https://doi.org/10.1680/imotp.1900.18649
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Preston, S. (1903): Recent Irrigation in the Punjab. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 153, n. 1903-3 ( 1903), pp. 142-164.
https://doi.org/10.1680/imotp.1903.18073