Snap!’teki tüm aktivite https://snap.berkeley.edu/project?user=mateja&project=Picking%20up%20trash%20and%20cleaning%20the%20park
Snap!’teki ek aktivite (çözümlü) https://snap.berkeley.edu/project?user=mateja&project=Picking%20up%20trash%20and%20cleaning%20the%20park%20%2B%20Add.%20Task
Lajovic, S. (2011). Scratch. Nauči se programirati in postani računalniški maček. Ljubljana: Pasadena.
Vorderman, C. (2017). Računalniško programiranje za otroke. Ljubljana: MK.
Snap!’teki yarı tamamlanmış aktivite https://snap.berkeley.edu/project?user=mateja&project=Picking%20up%20trash%20and%20cleaning%20the%20park%20-%20Part
Öğrenci için talimatlar (C4G2_InstructionsForStudent.docx)