HASAN, SINGGIH NUR. “EFFORTS TO INCREASE A BULLETS SHOT USING A PLASTIC BALL IN GRADE 10 STATE SENIOR HIGH SCHOOL 1 AMPEL, AMPEL, BOYOLALI IN THE YEAR OF 2016/2017”. Journal Of Indonesia Sport Education and Adapted Physical Education (JISEAPE) 1, no. 1 (February 9, 2019). Accessed July 3, 2024. http://ejournal.utp.ac.id/index.php/JISEAPE/article/view/912.