Tarigan, Karisma Erikson, and Margaret Stevani. 2020. “THE USE OF DERIVATIONAL SUFFIXES STRATEGY TO ENHANCE STUDENTS’ MORPHOLOGICAL AWARENESS OF VOCABULARY MASTERY AT SMP SANTO PETRUS MEDAN IN THE ACADEMIC YEAR 2017/2018”. Jurnal Ilmiah Aquinas 3 (2):348-66. https://doi.org/10.54367/aquinas.v3i2.789.