GEOTECHNICAL PROPERTIES OF SAND DERIVED FROM AWDAW RIVER CHANNEL OKO-AMAOKPALA AREA ANAMBRA BASIN, SOUTHEASTERN NIGERIA. International Journal of Science and Engineering (IJSE), [S. l.], v. 1, n. 1, p. 64–79, 2025. Disponível em: https://ijsen.com/journal/article/view/60.. Acesso em: 30 nov. 2025.