Data Turnitin : The Effect of Work Environment, Group Development, Leadership, Membership, and Group Cohesiveness on Employees’ Performance of Basic Education Office in Central Jakarta Istayatiningtias, Iis Istayatiningtias, Iis Data Turnitin : The Effect of Work Environment, Group Development, Leadership, Membership, and Group Cohesiveness on Employees’ Performance of Basic Education Office in Central Jakarta. Perpustakaan UHAMKA. Download Disini!