“…Cat. 1 -Subcategories (Kinnunen, 2009) Analyzed papers a) Problem of Orientation (Chandramouli, Zahraee & Winer, 2014) b) Notional Machine (Singh, 2017) c) Notation of Formal Languages (Lückemeyer, 2015), (Chandramouli, Zahraee & Winer, 2014) d) Acquiring Structures (Singh, 2017), (Masso & Grace, 2011), (Lückemeyer, 2015), (Chandramouli, Zahraee & Winer, 2014) e) Pragmatics of Programming (Singh, 2017), (Lückemeyer, 2015) Source: Elaborated by the authors…”