MIHAJLOW, Radko Petrov; DEMIREV, Vladimir Georgiev. APPLICATION OF GPS NAVIGATION IN AGRICULTURAL AGGREGATES. ANNUAL JOURNAL OF TECHNICAL UNIVERSITY OF VARNA, BULGARIA, [S. l.], v. 2, n. 2, p. 14–19, 2018. DOI: 10.29114/ajtuv.vol2.iss2.84. Disponível em: https://aj.tu-varna.bg/index.php/ajtuv/article/view/84. Acesso em: 2 oct. 2025.