"서울대 한국어" (Seoul National University Korean) is a comprehensive Korean language course developed by Seoul National University. The course is designed for international students and learners of Korean who wish to achieve proficiency in the language. The "1a" level is typically aimed at beginners, focusing on basic Korean language skills.
"Unlock the Secrets of Korean Language with 서울대 한국어 1A Workbook PDF" 서울대 한국어 1a workbook pdf
If your goal is affordable practice rather than a specific PDF, consider these excellent free options that follow a similar A1 (beginner) curriculum: 서울대 한국어 1a workbook pdf