Meha, Steffanie Mutiara, dkk. “THE EFFECT OF SOCRATIC CIRCLES METHOD WITH IMAGES MEDIA CRITICAL ON THINKING SKILLS OF STUDENTS GRADE XI MIA SMA 1 SUNGGAL STATE IN MATERIAL HUMAN REPOSISTORY SYSTEM”. Jurnal Pelita Pendidikan, vol. 5, no. 1, Maret 2017, doi:10.24114/jpp.v5i1.8455.