Ochwangi Mengo, Dr. Simon Nyakwara. Influence of Product Quality Differentiation Strategies on Client Sustenance in Barclays Bank-Kisii Branch, Kenya. JBM [Internet]. 2020Dec.11 [cited 2024Apr.30];6(11):31-0. Available from: https://ijrdo.org/index.php/bm/article/view/3865