MATHEMATICAL MODELS OF HALF-RING PHOTORESISTIVE CONVERTERS OF VANE TURNING ANGLES. European Journal of Emerging Technology and Discoveries, [S. l.], v. 1, n. 7, p. 1–3, 2023. Disponível em: https://europeanscience.org/index.php/1/article/view/273. Acesso em: 12 sep. 2025.