Author(s): Endang Sri Rejeki,

Date: May 23, 2019

Publisher: Program Studi Pendidikan Matematika IPTS, Institut Pendidikan Tapanuli Selatan

Author(s): Uli Tamana Pardede,

Date: May 23, 2019

Publisher: Program Studi Pendidikan Matematika IPTS, Institut Pendidikan Tapanuli Selatan

Author(s): Nurainun Hasibuan,

Date: May 23, 2019

Publisher: Program Studi Pendidikan Matematika IPTS, Institut Pendidikan Tapanuli Selatan