Pola Kepemimpinan Kepala Perpustakaan Dalam Pengelolaan Unit Perpustakaan Di Madrasah Aliyah Negeri 1 Medan Journal title: JIPI (Jurnal Ilmu Perpustakaan dan Informasi) Authors: Herlina Hutabarat Subject(s): Information Science & Library Science, Social Sciences, Interdisciplinary, Humanities, Multidisciplinary, Education & Educational Research, Physics, Multidisciplinary, Agriculture, Multidisciplinary, Education, Scientific Disciplines, Psychology, Educational, Education, Special