Parani, Sona. “Performance Analysis of Content Marketing, Paid Advertising, and Email Marketing in Boosting Conversions and Sales for Start-Ups”. Journal of Neonatal Surgery 14, no. 2S (June 4, 2025): 175–184. Accessed October 3, 2025. https://www.jneonatalsurg.com/index.php/jns/article/view/7058.