Siahaan, Sanggam, Juni Mariana Simanungkalit, and Melda Veby Ristella Munthe. 2022. “THE EFFECT OF SNOWBALL THROWING TECHNIQUE IN TEACHING READING COMPREHENSION AT GRADE TENTH STUDENTS OF SMA SWASTA KAMPUS NOMMENSEN PEMATANG SIANTAR”. KOLONI 1 (4):88-94. https://doi.org/10.31004/koloni.v1i4.273.