WASET
    Hiroki Yoshikai and  Shin’ichi Arakawa and  Tetsuya Takine and  Masayuki Murata,  Analyzing the Market Growth in API Economy Using Time-Evolving Model.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2023, vol. 202(10). 693 - 699
    [viewed 28 April 2024]. Available from: https://publications.waset.org/pdf/10013327.