Widaningrum, I., Hardi Prasetiyo, and Indah Puji Astuti. “Android Based Math & Trash Educational Game Using Scirra Construct 2 and Adobe Phonegap”. Jurnal RESTI (Rekayasa Sistem Dan Teknologi Informasi), Vol. 4, no. 1, Feb. 2020, pp. 37 -49, doi:10.29207/resti.v4i1.1385.