APPLICATION OF VLASOV THEORY AND MULTI- VARIABLE  POWER SERIES FOR ELASTIC STABILITY  ANALYSIS OF MONO -SYMMETRIC BOX GIRDER. Nigerian Journal of Technology, [S. l.], v. 44, n. 2, p. 173 – 183 , 2025. DOI: 10.4314/njt.v44i2.1. Disponível em: https://nijotech.com/index.php/nijotech/article/view/4333. Acesso em: 19 apr. 2026.