Hayati, N., and Z. Azizah. “Bahan Ajar Elektronik Book Berbasis Kvisoft Flipbook Maker Pada Mata Kuliah Penilaian Program PLS”. Journal of Nonformal Education and Community Empowerment, Vol. 5, no. 2, Dec. 2021, pp. 139-44, doi:10.15294/jnece.v5i2.50182.