Exploring the Impact of Persuasive System Features on User Sentiments in Health and Fitness Apps. - Charles Nutrokpor; Akon O. Ekpezu; Abigail Wiafe; Isaac Wiafe (BCSS@PERSUASIVE, 2021)

Design and Evaluation of a Persuasive Road Marking System for Controlling Speeding Behavior. - Isaac Wiafe; Elikem Doe Atsakpo; Charles Nutrokpor; Jaap Ham; Stephen R. Gulliver (MindTrek, 2023)

Examining Continuance Intention to Exercise in a Virtual Reality Environment. - Akon O. Ekpezu; Charles Nutrokpor; Isaac Wiafe; Harri Oinas-Kukkonen (HICSS, 2024)