WIJAYA, Berlianti Sonia; 						RATIH, Koesoemo.
 The Effect of Jigsaw Cooperative Learning on Reading and Writing Skills of B1 Level High School Students.
<strong>Jurnal Pendidikan Bahasa Inggris Proficiency</strong>, [S.l.], v. 8, n. 2, p. 114-130, july 2026.
ISSN 2775-0450.
Available at: &lt;<a href="https://ejournal.uniska-kediri.ac.id/index.php/PROFICIENCY/article/view/8857" target="_new">https://ejournal.uniska-kediri.ac.id/index.php/PROFICIENCY/article/view/8857</a>&gt;. Date accessed: 01 july 2026.
doi: <a href="https://doi.org/10.32503/proficiency.v8i2.8857">https://doi.org/10.32503/proficiency.v8i2.8857</a>.