RASIKA SHELAR; ESSHA S. SHINDE; CHARUSHILA SARATE. DESIGN OF LIGHT GENERATING MECHANISM USING GRAVITY. International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, p. 1–7, 2021. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/2041. Acesso em: 1 jul. 2025.