MANIK, C. T. S. Tool Demonstration Lamp Gravity (Gravity Lights). Journal of Science Technology (JoSTec), [S. l.], v. 1, n. 1, p. 15–20, 2019. DOI: 10.55299/jostec.v1i1.47. Disponível em: https://ejournal.ipinternasional.com/index.php/jostec/article/view/47. Acesso em: 2 may. 2024.