Progressive Current Accounts: Profit-Sharing Interest. - Salvador Cruz Rambaud; María del Carmen Valls Martínez (IGTR, 2003)

Loan Transactions with Random Dates for the First and Last Periodic Instalments. - María del Carmen Valls Martínez; Salvador Cruz Rambaud (Int. J. Math. Math. Sci., 2016)

Longitudinal Study of Credit Union Research: From Credit-Provision to Cooperative Principles, the Urban Economy and Gender Issues. - Carlos Gabriel Parrales Choez; María del Carmen Valls Martínez; Pedro Antonio Martín-Cervantes (Complex., 2022)