https://yitae-kwon.github.io//boxes/ 2025-03-29T00:00:00+00:00 weekly 0.5 https://yitae-kwon.github.io//bok-stat/ 2024-11-24T00:00:00+00:00 weekly 0.5 https://yitae-kwon.github.io//book-mathstat2/ 2024-01-11T00:00:00+00:00 weekly 0.5 https://yitae-kwon.github.io//book-elstat/ 2024-01-11T00:00:00+00:00 weekly 0.5 https://yitae-kwon.github.io//book-cal2/ 2024-01-11T00:00:00+00:00 weekly 0.5 https://yitae-kwon.github.io//book-cal1/ 2024-01-10T00:00:00+00:00 weekly 0.5