Orwah Aljerdi Ahmad. The basis of structure and parameters of system of control of process of complex hydropneumatic action on gas holding coal stratums : к.т.н. : spec.. 05.13.07 - Автоматизація процесів керування : presented. 2013-10-03; popup.evolution: .; The state higher educational institution " Donetsk National Technical University". – , 0413U005818.

Updated: 2026-11-08