Ngamal, Ulrianus Aristo, and Rohmah Kurniawati. 2025. “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 4 (2):40-44. https://doi.org/10.47709/ijmdsa.v4i2.5969.