Published: 2025-05-30

Comparative Analysis of Selected Heavy Metals in Surface and Groundwater Sources near the General Hospital Water Tank, Agbarho, Delta State

Obruche Kennedy Erienu, Bamidele Honesty Akpeji, Ambrose Onajite Akakabota, Arhomajiruvwe Stanley Obruche, Godwin Owoicho Awodi, Mfon Isualkoh Otite-Douglas, Veronica Uzuazomaro Ovili

23-30

Time-Varying Covariance in Major Energy Portfolios

Justin Odadami Ejukwa, Isaac Didi Essi

31-44

Modelling the Interconnectedness and Lag Effects in Crude Oil Price Benchmarks

Ruth Tamunotonye, Uyodhu Amekauma Victor-Edema, Justin Odadami Ejukwa

76-91

Intervention Modelling of Crude Oil Prices Using Pre- and Post-Transfer Function Models

Leneenadogo Wiri, Benjamin Ele Chims, Uebari Pius Sibeate

109-118

On Galois Groups, Resolvents And Applications

Uzowulu Giovanni Nwachukwu, Rafiat Bada Abubakar

127-138