PENERAPAN DIFERENSIAL TRIGONOMETRI DALAM ILMU TEKNIK SIPIL. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 9, n. 4, p. 6933 – 6936, 2026. DOI: 10.54314/jssr.v9i4.7103. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/7103.. Acesso em: 5 sep. 2026.