Composition of engineering drawing through communication skills and social/material interactions from the semiotic aspectLille, Harri; Ruus, AimeIOP conference series : materials science and engineering 4th International Conference on Innovative Materials, Structures and Technologies (IMST 2019) : 25–27 September 2019, Riga, Latvia2019 / art. 012011, 6 p https://doi.org/10.1088/1757-899X/660/1/012011 Conference proceedings at Scopus Article at Scopus Article at WOS