WASET
    M. Hajduk-Stelmachowicz,  Environmental Management System According to ISO 14001 as a Source of Eco-Innovations in Enterprises - A Case of Podkarpackie Voivodeship.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2013, vol. 75(3). 650 - 655
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/4931.