Metodolohiia formuvannia khmaro oriientovanoho navchalno-naukovoho seredovyshcha pedahohichnoho navchalnoho zakladu [Methodology of …. [No authors listed] VM Demianenko, VV Kovalenko, AO Kravchenko… - Kyiv: Pedahohichna dumka …, 2017 GSID: 2xUYIV3qYU4J
A Review of Open Educational Resources in the Geosciences: Guidelines and Criteria. [No authors listed] GSID: lW0e7XmevCkJ