HU, Haojie. Design and Optimization of the 4-Bit Absolute Value Logic Gate Circuits. Science and Technology of Engineering, Chemistry and Environmental Protection, [S. l.], v. 2, n. 5, p. 3622, 2024. DOI: 10.61173/5hxfpz51. Disponível em: https://stecep.deanfrancis.press/article/view/1569. Acesso em: 4 nov. 2026.