C. br . Ketaren, V. . Lumban Raja, and M. S. . Prayuda, “THE EFFECT OF BLENDED LEARNING STRATEGY ON THE EIGHTH GRADE STUDENTS’ WRITING SKILL OF SMP NEGERI 41 MEDAN IN THE ACADEMIC YEAR OF 2020/2021”, KAIROS, vol. 6, no. 2, pp. 101–128, Sep. 2022.