Vacik, H., Kurttila, M., Hujala, T., Khadka, C., Haara, A., Pykäläinen, J., Honkakoski, P., Wolfslehner, B. Evaluating collaborative planning methods supporting programmebased planning in natural resource management. Journal of Environmental Management. 2014, 144(NOV 2014), 304-315. ISSN 0301-4797. E-ISSN 1095-8630. Available: https://doi.org/10.1016/j.jenvman.2014.05.029