Suryani Salfitri, Sofia Edriati, Dewi Yuliana Fitri. Development of Powtoon Animation Video Learning Media on Circle Materials at UPT Senior High School 06 South Solok. RMJ [Internet]. 2022 Nov. 16 [cited 2024 Oct. 2];1(2):91-6. Available from: https://math.ppj.unp.ac.id/index.php/RMJ/article/view/15