WASET
    Encarnación Álvarez and  Rosa M. García-Fernández and  Juan F. Muñoz and  Francisco J. Blanco-Encomienda,  On Estimating the Headcount Index by Using the Logistic Regression Estimator.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2014, vol. 92(8). 1118 - 1120
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/9999084.