1. Adeel Mehmood . 2020 . Email Advertising: A Promotional Favorite. https://www.benchmarkemail.com/blog/email-advertising-a-promotional-favorite/. Accessed: 2022-14-05. Adeel Mehmood. 2020. Email Advertising: A Promotional Favorite. https://www.benchmarkemail.com/blog/email-advertising-a-promotional-favorite/. Accessed: 2022-14-05.
2. Unraveling the Personalization Paradox: The Effect of Information Collection and Trust-Building Strategies on Online Advertisement Effectiveness
3. The anatomy of an effective e-mail subject line: How to stand out in a crowded inbox;Aiossa Ewelina;Journal of Digital & Social Media Marketing,2020
4. Michael J Albers . 2017. Introduction to quantitative data analysis in the behavioral and social sciences . John Wiley & Sons , New Jersey . Michael J Albers. 2017. Introduction to quantitative data analysis in the behavioral and social sciences. John Wiley & Sons, New Jersey.
5. Allen Olivia. 2022. 20 Tips to Write Catchy Email Subject Lines [+ Examples]. https://blog.hubspot.com/marketing/improve-your-email-subject-line. Accessed: 2022-05-06. Allen Olivia. 2022. 20 Tips to Write Catchy Email Subject Lines [+ Examples]. https://blog.hubspot.com/marketing/improve-your-email-subject-line. Accessed: 2022-05-06.