1.
Bala J. Physical Infrastructure in Indian States of Punjab and Haryana with Respect to Electricity and Road Transport during 1970-71 to 2012-13. theijhss [Internet]. 2016 Feb. 29 [cited 2024 Jul. 23];4(2). Available from: https://internationaljournalcorner.com/index.php/theijhss/article/view/125902