Unesco-UNEP International Environmental Education Programme. (1986). Environmental education: Module for preservice training of teachers and supervisors for primary schools. Unesco Division of Science.
Citace podle Chicago (17th ed.)Unesco-UNEP International Environmental Education Programme. Environmental Education: Module for Preservice Training of Teachers and Supervisors for Primary Schools. [Paris]: Unesco Division of Science, 1986.
Citace podle MLA (9th ed.)Unesco-UNEP International Environmental Education Programme. Environmental Education: Module for Preservice Training of Teachers and Supervisors for Primary Schools. Unesco Division of Science, 1986.
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