maths investigation - Math bibliographies - in Harvard style

In-text: (How Top Athletes Use Spirometry for Sports Enhancement, 2022)

Your Bibliography: Aluna Blog. 2022. How Top Athletes Use Spirometry for Sports Enhancement. [online] Available at: <https://aluna.blog/how-top-athletes-use-spirometry-for-sports-enhancement/#:~:text=Healthy%20lungs%20increase%20oxygen%20intake,an%20excellent%20choice%20for%20athletes.> [Accessed 19 April 2022].

In-text: (Base and methods, 2022)

Your Bibliography: Base, K. and methods, A., 2022. An introduction to sampling methods. [online] Scribbr. Available at: <https://www.scribbr.com/methodology/sampling-methods/> [Accessed 19 April 2022].

In-text: (Delgado and Bajaj, 2022)

Your Bibliography: Delgado, B. and Bajaj, T., 2022. Physiology, Lung Capacity. [online] Ncbi.nlm.nih.gov. Available at: <https://www.ncbi.nlm.nih.gov/books/NBK541029/#:~:text=Among%20healthy%20adults%2C%20the%20average,at%20around%2025%20years%20old.> [Accessed 19 April 2022].

In-text: (Disinfectant - Wikipedia, 2022)

Your Bibliography: En.wikipedia.org. 2022. Disinfectant - Wikipedia. [online] Available at: <https://en.wikipedia.org/wiki/Disinfectant#:~:text=Disinfectants%20work%20by%20destroying%20the,pathogenic%20microorganisms%20on%20a%20surface.> [Accessed 15 June 2022].

In-text: (Systematic Sampling vs. Cluster Sampling: What's the Difference?, 2022)

Your Bibliography: Investopedia. 2022. Systematic Sampling vs. Cluster Sampling: What's the Difference?. [online] Available at: <https://www.investopedia.com/ask/answers/051815/what-difference-between-systematic-sampling-and-cluster-sampling.asp> [Accessed 19 April 2022].

In-text: (k10outline - Back-to-back stem-and-leaf plot, 2022)

Your Bibliography: K10outline.scsa.wa.edu.au. 2022. k10outline - Back-to-back stem-and-leaf plot. [online] Available at: <https://k10outline.scsa.wa.edu.au/home/p-10-curriculum/curriculum-browser/mathematics-v8/overview/glossary/back-to-back-stem-and-leaf-plot#:~:text=A%20back%2Dto%2Dback%20stem,before%20and%20after%20gentle%20exercise.> [Accessed 19 April 2022].