Sanigraha, B. (2019) “The Improvement of Students’ Ability in Formulaing and Testing Hipothese through Scientific Process Skill Approach with Practicum Method”, Wahana Journal of Action Research, 1(1), pp. 10-20. Available at: http://jurnal.sman1parung.sch.id/index.php/jar/article/view/1 (Accessed: 2July2020).