Firmansyah I. Picture series as a means to improve reading ability of freshmen at English Department STKIP PGRI Bangkalan. SELL [Internet]. 2020 Jan. 28 [cited 2025 May 6];4(1):38-44. Available from: http://publikasi.stkippgri-bkl.ac.id/index.php/SL/article/view/215