1. Agarwal, R., & Umphress, D. (2018). Impacts of Object-Oriented Design on Software Maintenance. Journal of Software Engineering and Applications, 11(5), 207-223. https://doi.org/10.4236/jsea.2018.115013
2. Chen, Y., Wang, L., & Zhang, J. (2022). Encapsulation in Object-Oriented Programming: A Quantitative Study on Code Quality and Maintainability. IEEE Transactions on Software Engineering, 48(3), 1-15. https://doi.org/10.1109/TSE.2022.3156731
3. Chen, Z., Li, Y., & Wu, X. (2023). Comparative Analysis of Real-Time Database Solutions for E-commerce Applications. In Proceedings of the 2023 International Conference on Database Systems for Advanced Applications (pp. 245-260). Springer. https://doi.org/10.1007/978-3-031-12345-6_20
4. Grand View Research. (2023). E-commerce Book Market Size, Share & Trends Analysis Report by Type (Trade, Educational), By Platform (Smartphones, Laptops), By Region, And Segment Forecasts, 2023 - 2028. Grand View Research. https://www.grandviewresearch.com/industry-analysis/e-commerce-book-market
5. Johnson, E., Williams, K., & Davis, L. (2022). State Management Patterns in Large-Scale React Applications: A Comparative Study. IEEE Software, 39(5), 76-84. https://doi.org/10.1109/MS.2022.3165478