Matabo Mdunyelwa and Liezel Cilliers (2021) “A Framework for Quantitative Data Analysis of Big Data Collected by Activity Trackers”, Reshaping Sustainable Development Goals Implementation in the World: Proceeding of 7th International Conference on Business and Management Dynamics, pp. 135–143. doi: 10.9734/bpi/mono/978-93-5547-236-6/CH10.