https://dbtacademy.co.kr/courses/dbt-%ed%8a%b9%eb%b3%84%ea%b0%95%ec%a2%8c-%ec%8b%ac%ed%8f%ac%ec%a7%80%ec%9b%80-%ec%8b%9c%eb%a6%ac%ec%a6%88/assignments/symposium-series-class-evaluation-form%e3%85%a3dac-522/2026-03-07T14:26:33+09:00