Bilan M.I., Burdin K.S., Grigoriev G.V., Evdokimova M.V., Zubkov A.Yu., Ivashkina I.V., Kamnev A.N., Kamneva M.A., Kochurov B.I., Markova S.A., Yakovlev A.S. English-Russian / Russian-English Environmental Science Dictionary Year 2018 228
Kamnev A.N., Kamneva M.A., Grigoriev G.V., Kunz B.F., Putnam L., Pankenier S., Haig K., Scherr B., Koetzsch R. The Conceptual Framework for Proactive and Integrative Environmental Education and Upbringing (PIEEU) Year 2017 25
