Achyuthan H, Godhavari KS. 11^th International Earth Science Olympiad (IESO), Cotíª d’ Azur, Nice, France. jgsi [Internet]. 2018 Jan. 1 [cited 2024 Sep. 20];91(1):117-9. Available from: https://geosocindia.com/index.php/jgsi/article/view/120503