Weerawarna, N. T., U. . Manawadu, and P. R. S. De Silva. “Sociable Robot ‘Lometh’: Exploring Interactive Regions of a Product-Promoting Robot in a Supermarket”. Journal of ICT Research and Applications, vol. 17, no. 1, Apr. 2023, pp. 58-81, doi:10.5614/itbj.ict.res.appl.2023.17.1.5.