Gabdyssalyk, Riza, Karibek Sherov, Sayagul Tussupova, Olga Zharkevich, Sergey Mirgorodskiy, Aigerim Izotova, Aizhan Taskarina, Assylkhan Mazdubay, and Almat Sagitov. 2020. “RESEARCH AND QUALITY ASSURANCE OF THE LARGE VALVES MANUFACTURE FOR TRUNK PIPELINES”. Journal of Applied Engineering Science 19 (1): 24-29. https://doi.org/10.5937/jaes0-23523.