SHWAYRI, Raif. Economically sustainable development: practical models for long-term NGO viability. Emerald points. Bingley, U.K.: Emerald Publishing Limited, 2021. ISBN 9781800437760. Dostupné také z: https://proxy.k.utb.cz/login?url=https://doi.org/10.1108/9781800437746.