MATTHEW, Simon; OGUNJIMI, Blessing; ONESU, Ibitham; USHAKA, Gertrude; ANELE, Ezebunwo. Persistent Uniform Resource Locator Usage And Research Visibility Among Postgraduate Students In University Of Calabar, Cross River State, Nigeria. Transdisciplinary Journal of Education & Sustainable Development Studies, [S. l.], v. 2, n. 2, p. 363–377, 2026. DOI: 10.60787/tjesds.vol2no2.150. Disponível em: https://tjesds.org.ng/index.php/home/article/view/150. Acesso em: 20 oct. 2026.