Ayyub H.B.Nurmana MS. GAMBAR BENTUK (Cara Mudah Menggambar). yayasanpat [Internet]. 2021 Feb. 18 [cited 2024 Dec. 27];7(1):1-100. Available from: https://penerbit.stekom.ac.id/index.php/yayasanpat/article/view/317