Based on kriging, ionospheric maps for India’s TEC, ROTI, and amplitude scintillation index (S). International Journal of Food and Nutritional Sciences, [S. l.], v. 10, n. 3, p. 410–418, 2021. Disponível em: https://ijfans.org/index.php/Journal/article/view/3365. Acesso em: 8 sep. 2026.