चौथी शताब्दी से सातवीं शताब्दी के बीच विज्ञान एवं तकनीक : एक अध्ययन: Scientific and Technological Developments in India between the Fourth and Seventh Centuries: A Study. JASRAE [Internet]. 2019 Feb. 1 [cited 2025 Dec. 26];16(2):323-4. Available from: https://ignited.in/index.php/jasrae/article/view/10123