SIMANUNGKALIT, Ate Gueen; 						MUHALING, Regina Octavia.
 Mental Health Problems and English Achievement of UNKLAB High School Students.
<strong>SUMIKOLAH: Jurnal Ilmu Pendidikan</strong>, [S.l.], v. 1, n. 1, p. 1-12, jan. 2023.
ISSN 2985-3842.
Available at: &lt;<a href="https://ejournal.unklab.ac.id/index.php/sumikolah/article/view/867" target="_new">https://ejournal.unklab.ac.id/index.php/sumikolah/article/view/867</a>&gt;. Date accessed: 25 oct. 2025.