Ramadhani MH, Titisari PW. Laboratory hands-on activity: A case study in senior high school of Pekanbaru-Indonesia. JPBI [Internet]. 2019 Jun. 30 [cited 2026 Jun. 8];5(2):253-68. Available from: https://ejournal.umm.ac.id/index.php/jpbi/article/view/8457