Kinematics and Singularity Analysis of 2 DOF Planar Parallel Manipulators with Symmetrical Parallelogram Chains. Jurnal Teknik Mesin, [S. l.], v. 10, n. 2, p. 79–87, 2020. DOI: 10.21063/jtm.2020.v10.i2.79-87. Disponível em: https://jtm.itp.ac.id/index.php/jtm/article/view/375. Acesso em: 18 agu. 2025.