Gamil, Susana B., and Rodolfo V. Soria. “Work Efficiency and Productivity of Finance Employees of Davao Doctors College in the Delivery of Quality Services”. JPAIR Multidisciplinary Research, vol. 2, no. 1, Jan. 2009, pp. 43-59, https://doi.org/10.7719/jpair.v2i1.57.