Determining the effect of triangular interwindow openings in a bus body on its structure, strength, and passive safety - Holenko, Kostyantyn; Dykha, Oleksandr; Dykha, Maksym; Dytyniuk, Volodymyr; Horbay, Orest; Voichyshyn, Yurii; Krainyk, Lybomyr (Eastern-European journal of enterprise technologies, 2025)