A Survey of the Constraints Encountered in Dynamic Vision-Based Sign Language Hand Gesture Recognition. - Ruth Wario; Casam Nyaga (HCI (8), 2019)

A Review of Sign Language Hand Gesture Recognition Algorithms. - Casam Nyaga; Ruth Wario (AHFE (13), 2020)

Pedagogical Interface Agent for Kenya Sign Language. - Casam Njagi Nyaga; Ruth Diko Wario; Lizette de Wet (AHFE (17), 2021)