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://www.ijsen.com.ijasvote-fce.org/journal/article/view/60.. Acesso em: 22 mar. 2026.