CHP’YE MÜDAHALE SONRASI YENİ PARTİ: KAYYUM, KOPUŞ VE SINIF TEMELLİ SOSYAL DEMOKRAT KURULUŞ (A NEW PARTY AFTER INTERVENTION IN THE CHP: TRUSTEESHIP, RUPTURE, AND THE CLASS-BASED CONSTRUCTION OF SOCIAL DEMOCRACY) - Serkan ÇELİK - | The Journal of Academic Social Science