COVID-19 mobile positioning data contact tracing and patient privacy regulations : exploratory search of global response strategies and the use of digital tools in NigeriaEkong, Iniobong; Chukwu, Emeka; Chukwu, MarthaJMIR mHealth and uHealth2020 / art. e19139, 7 p. : ill https://doi.org/10.2196/19139 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS (Non)negotiable spaces of algorithmic governance : perceptions on the Ubenwa health app as a ‘relocated’ solutionMasso, Anu; Chukwu, Martha; Calzati, StefanoNew media & society2022 / p. 845−865 https://doi.org/10.1177/14614448221079027 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS