KONAR, Arup Kanti. Diagrammatic Extension of Konar’s (2009) "Ray Measure of Point Price Elasticity of Demand". Arthshastra Indian Journal of Economics & Research, [S. l.], v. 4, n. 3, p. 49–56, 2015. DOI: 10.17010/aijer/2015/v4i3/71380. Disponível em: https://indianjournalofeconomicsandresearch.com/index.php/aijer/article/view/71380. Acesso em: 8 dec. 2025.