WASET
    Indre Brazauskaite and  Vilte Auruskeviciene,  Stage-Gate Framework Application for Innovation Assessment among Small and Medium-Sized Enterprises.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2023, vol. 203(11). 776 - 780
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10013358.