Risma Yuniarni. 0905120994. Penerapan Model Pembelajaran Sentra Di Tk Aisyiyah II Pekanbaru Tahun Ajaran 2012/2013. Skripsi 2013. Based on writer’s observation, teacher did not make programme of center learning model which suitable. This case was seen from center implementation that consisted of four steps which the steps was not done by teacher. The writer also wanted to know about the evalu…