WASET
    M. M. Fercan and  A. S. Kipcak and  O. Dere Ozdemir and  M. B. Piskin and  E. Moroydor Derun,  Determination of the Element Contents in Turkish Coffee and Effect of Sugar Addition.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2016, vol. 109(1). 112 - 115
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/10003955.