WASET
    Andres G. Victorio and  Montita Rungswang,  The Effect of a Free -Trade Agreement upon Agricultural Imports.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    April 2008, vol. 16(4). 380 - 383
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/773.