Dinh Ha and  Tran and  Chung - Ruey Yen,  Morphological Characteristics and Pollination Requirement in Red Pitaya (Hylocereus spp.) .   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2014, vol. 87(3). 202 - 206
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9997630.