Dwibedy, Soumya Kanta. “Estimation of Price Spread and Marketing Efficiency of Brinjal in Different Marketing Channels: A Case Study”. Indian Journal of Marketing 43, no. 2 (July 22, 2013): 50–56. Accessed October 10, 2025. https://indianjournalofmarketing.com/index.php/ijom/article/view/34051.