Before the event the participants had average scores in knowledge before the event. The knowledge is moderate. And the activities of the participants have little knowledge of. The level of knowledge at the highest level. When comparing average scores before and after the event. Those who participate in knowledge after the event than before the event. The level of statistical significance. 05 (p = .000), indicating that the activity poet green for the environment. As a result, the participants have the know-how developed by the environmental activist, poet, green more than before the event.
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