OwlishOracle: architecting a social media-based e-learning platform for primary education of underprivileged children by senior citizens of India. - Somprakash Bandyopadhyay; Priyadarshini Dey; Arina Bardhan; Shrabastee Banerjee; Srimoyee Das (Int. J. Soc. Media Interact. Learn. Environ., 2015)