Bhavya Singh and Dr. Eakramuddin. Substantive Requirements of Patentability in terms of Pharmaceuticals and Environmentally Sound Technologies : A Comparative Study. International journal of economic perspectives [Internet]. 2023 Apr. 30 [cited 2024 Dec. 4];17(4):114-31. Available from: https://ijeponline.com/index.php/journal/article/view/533