Spatial scale and product mix economies in U.S. banking with simultaneous spillover regimes. - Anthony J. Glass; Amangeldi Kenjegaliev; Karligash Kenjegalieva (Eur. J. Oper. Res., 2020)

Innovation and efficiency in financial institutions. - Vania Sena; Amangeldi Kenjegaliev; Aliya Kenjegalieva (Frontiers Res. Metrics Anal., 2022)