Kinematic Analysis of A 4-Axis Manipulator Design with 2-Axis Gripper. Jurnal Teknik Mesin, [S. l.], v. 9, n. 1, p. 6–14, 2019. DOI: 10.21063/jtm.2019.v9.i1.6-14. Disponível em: https://jtm.itp.ac.id/index.php/jtm/article/view/538. Acesso em: 11 sep. 2025.