SHOLIKAH, Rofi'atus; RAHAYU, Puji. VALIDITAS LEMBAR KERJA SISWA (LKS) BERBASIS PROBLEM SOLVING PADA MATERI PERSAMAAN LINGKARAN: Studi kasus di SMK PGRI 2 Tuban. Prosiding SNasPPM, [S. l.], v. 6, n. 1, p. 544–550, 2021. Disponível em: http://prosiding.unirow.ac.id/index.php/SNasPPM/article/view/816. Acesso em: 18 apr. 2024.