Zahrah, H., 		Umam, N., & 		Marzuki, I.
2021 Dec 23.  THE DEVELOPMENT OF THE PANCASILA POP UP BOOK BASED ON SOCIAL VALUES IN DAILY LIFE FOR FOURTH GRADE ELEMENTARY SCHOOL STUDENTS. Journal Universitas Muhammadiyah Gresik Engineering, Social Science, and Health International Conference (UMGESHIC). [Online] 1:2