HANIN, Fauziah.
 ENVIRONMENTAL CONCEPT BASED PjBL (PROJECT BASED LEARNING) MODELS TO INCREASE THE OBSERVATION SKILLS OF VII GRADE STUDENTS AT SMPN 1 JENANGAN PONOROGO.
<strong>SEMESTA: Journal of Science Education and Teaching</strong>, [S.l.], v. 3, n. 1, p. 50-58, june 2020.
ISSN 2598-1951.
Available at: &lt;<a href="http://semesta.ppj.unp.ac.id/index.php/semesta/article/view/94" target="_new">http://semesta.ppj.unp.ac.id/index.php/semesta/article/view/94</a>&gt;. Date accessed: 14 may 2024.