Nguyen Minh Tuan and  Yen Chung-Ruey ,  Effect of Various Pollen Sources to Ability Fruit Set and Quality in ‘Long Red B’ Wax Apple .   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2013, vol. 74(2). 144 - 147
    [viewed 27 October 2021]. Available from: https://publications.waset.org/pdf/9996933.