Ngamal, Ulrianus Aristo, and Rohmah Kurniawati. “The Effect of Motivation and Learning Activity on the Learning Achievement of Management Study Program Students Batch 2023 Semester 4 Class A & B STIE Yapan Surabaya City”. International Journal of Multidisciplinary Sciences and Arts, vol. 4, no. 2, June 2025, pp. 40-44, doi:10.47709/ijmdsa.v4i2.5969.