Gantt chart (English Wikipedia)

Wilson 2003. Wilson, James M. (2003). "Gantt charts: A centenary appreciation" (PDF). European Journal of Operational Research. 149 (2): 430–437. doi:10.1016/S0377-2217(02)00769-5. Archived from the original (PDF) on 26 November 2013. Retrieved 28 July 2013.
Marsh 1974, p. 32. Marsh, Edward R. (1974). "The Harmonogram of Karol Adamiecki". Academy of Management Proceedings. 1974: 32. doi:10.5465/ambpp.1974.17530521. ISSN 0065-0668.
Geraldi, Joana; Lechter, Thomas (2012). "Gantt charts revisited". International Journal of Managing Projects in Business. 5 (4): 578-594. doi:10.1108/17538371211268889.

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Wilson 2003. Wilson, James M. (2003). "Gantt charts: A centenary appreciation" (PDF). European Journal of Operational Research. 149 (2): 430–437. doi:10.1016/S0377-2217(02)00769-5. Archived from the original (PDF) on 26 November 2013. Retrieved 28 July 2013.

Weaver 2012a, pp. 5–6. Weaver, Patrick (2012a). "Henry L Gantt, 1861–1919: A retrospective view of his work" (PDF). PM World Journal. Retrieved 29 January 2018 – via Mosaic Projects. (It is unclear when this was last modified. The PDF metadata indicates 2015, and a note in the text says "Augmented with additional materials received since publication".)

Weaver 2012b, pp. 4–6. Weaver, Patrick (2012b). "Henry L Gantt, 1861–1919: Debunking the myths, a retrospective view of his work" (PDF). PM World Journal. 1 (5).
Weaver 2014, pp. 6–7. Weaver, Patrick (2014). "A Brief History of Scheduling: Back to the Future (2nd ed.)" (PDF). PM World Journal. 3 (8). Adapted from a 2006 presentation at conference myPrimavera06, Canberra.
Weaver 2014, p. 7. Weaver, Patrick (2014). "A Brief History of Scheduling: Back to the Future (2nd ed.)" (PDF). PM World Journal. 3 (8). Adapted from a 2006 presentation at conference myPrimavera06, Canberra.
Weaver 2014, p. 6. Weaver, Patrick (2014). "A Brief History of Scheduling: Back to the Future (2nd ed.)" (PDF). PM World Journal. 3 (8). Adapted from a 2006 presentation at conference myPrimavera06, Canberra.

Kelly, D. J. (2004) "Marxist Manager Amidst the Progressives: Walter N. Polakov and the Taylor Society", Journal of Industrial History, 6(2), November 2004, 61-75

Wilson 2003. Wilson, James M. (2003). "Gantt charts: A centenary appreciation" (PDF). European Journal of Operational Research. 149 (2): 430–437. doi:10.1016/S0377-2217(02)00769-5. Archived from the original (PDF) on 26 November 2013. Retrieved 28 July 2013.

Kumar, Pankaja Pradeep (2005). "Effective Use of Gantt Chart for Managing Large Scale Projects". Cost Engineering. 47 (7). Morgantown, WV: American Association of Cost Engineers: 13–21. ISSN 0274-9696. OCLC 209778284.
Marsh 1974, p. 32. Marsh, Edward R. (1974). "The Harmonogram of Karol Adamiecki". Academy of Management Proceedings. 1974: 32. doi:10.5465/ambpp.1974.17530521. ISSN 0065-0668.