1. Hlaing KS et al (2019) A study of tools, methods, and techniques of software cost estimation. IJARIIE 2019:1–4
2. Chirra SMR et al (2019) A survey on software cost estimation techniques. J Softw Eng Appl 2019:226–248
3. Rajkumar G et al (2013) A systematic review of cost estimation models. J Glob Res Comput Sci 2013:1–4
4. Jayapratha K et al (2017) A relative study on cost estimation techniques. Int J Sci Res Mod Educ 2017:1–4
5. Raj M et al (2020) COCOMO and the COCOMO-2 model—a case study. Int Res J Eng Technol 2020:1–4