Spriani, H. G., N. Ain, and H. Y. Pratiwi. “ENGARUH ODEL EMBELAJARAN ROBLEM ASED EARNING ELALUI ETODE CAFFOLDING AN OTIVASI ELAJAR ERHADAP EMAHAMAN ONSEP ISIKA”. AINSTEK urnal erapan ains & eknologi, vol. 1, no. 2, June 2019, pp. 29-40, doi:10.21067/jtst.v1i2.3437.