RATNAWATI, Sulik.
 HIDROFILTER TENAGA SURYA  IMPLEMETASI PENDEKATAN STEM  PADA MATERI TEKNOLOGI RAMAH LINGKUNGAN MATA PELAJARAN IPA KELAS 9 MTsN 1 LUMAJANG.
<strong>Jurnal IKA PGSD (Ikatan Alumni PGSD) UNARS</strong>, [S.l.], v. 9, n. 1, p. 176 - 188, june 2021.
ISSN 2656-4459.
Available at: &lt;<a href="https://unars.ac.id/ojs/index.php/pgsdunars/article/view/1028" target="_new">https://unars.ac.id/ojs/index.php/pgsdunars/article/view/1028</a>&gt;. Date accessed: 14 jan. 2026.
doi: <a href="https://doi.org/10.36841/pgsdunars.v9i1.1028">https://doi.org/10.36841/pgsdunars.v9i1.1028</a>.