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Universitas Nias Raya
Nias Selatan, Sumatera Utara, ID
01 August 2016 - Present | Lecturer (Math Education Program) (Pendidikan Matematika )
Source : Darmawan Harefa
Universitas Nias Raya
Nias Selatan, Sumatera Utara, ID
01 December 2020 - 01 December 2022 | Secretary of the Mathematics Education Study Program
Source : Darmawan Harefa
Universitas Nias Raya
Nias Selatan, Sumatera Utara, ID
02 August 2017 - 30 November 2020 | Head of Research Bureau (LPPM STKIP Nias Selatan)
Source : Darmawan Harefa
Educations
Universitas Indraprasta PGRI
Jakarta , Jakarta Raya , ID
01 December 2014 - 01 February 2016 | M.Pd ((Math & Science Education))
Education
Source : Darmawan Harefa
Qualifications
Universitas Indraprasta PGRI
Jakarta , Jakarta Raya , ID
01 July 2008 - 01 August 2012 | Education/ S.Pd (Physical Education)
Qualification
Source : Darmawan Harefa
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Analisis Kemampuan Komunikasi Matematis dalam Materi Aljabar Linier
Iyam Maryati , Yenny Suzana , Darmawan Harefa , Ilham Tri Maulana
June 2022
DOI : 10.35194/jp.v11i1.2044
Penggunaan Model Pembelajaran Kooperatif Tipe Jigsaw Terhadap Kemampuan Pemahaman Konsep Belajar Siswa
Darmawan Harefa , Murnihati Sarumaha , Amaano Fau , Tatema Telaumbanua , Fatolosa Hulu , Kaminudin Telambanua , Indah Permata Sari Lase , Mastawati Ndruru , Lies Dian Marsa Ndraha
January 2022
DOI : 10.37905/aksara.8.1.325-332.2022
PENDEKATAN KONSELING BEHAVIORAL TERHADAP PERKEMBANGAN MORAL SISWA
Bestari Laia , Murnihati Sarumaha , Merri Christina Zalukhu , Mastawati Ndruru , Tatema Telaumbanua , Lies Dian Marsa Ndraha , Darmawan Harefa
January 2021
DOI : 10.54367/aquinas.v4i1.1083
PENINGKATAN HASIL BELAJAR SISWA PADA MODEL PEMBELAJARAN INDEX CARD MATCH DI SMP NEGERI 3 MANIAMOLO
Darmawan Harefa , Murnihati Sarumaha , Efrata Gee , Kalvintinus Ndruru , Mastawati Ndruru , Tatema Telaumbanua , Lies Dian Marsa Ndraha
January 2021
DOI : 10.54367/aquinas.v4i1.914
PEMANFAATAN LABORATORIUM IPA DI SMA NEGERI 1 LAHUSA
Darmawan Harefa , Efrata Ge’e , Kalvintinus Ndruru , Mastawati Ndruru , Lies Dian Marsa Ndraha , Tatema Telaumbanua , Murnihati Sarumaha , Fatolosa Hulu
January 2021
DOI : 10.33541/edumatsains.v5i2.2062
Penerapan Model Pembelajaran Cooperative Script untuk Meningkatkan Hasil Belajar Matematika
Darmawan Harefa , Efrata Gee , Mastawati Ndruru , Murnihati Sarumaha , Lies Dian Marsa Ndraha , Kalvintinus Ndruru , Tatema Telaumbanua
December 2020
DOI : 10.30998/jkpm.v6i1.6602
Peningkatan Hasil Belajar IPA pada Model Pembelajaran Creative Problem Solving (CPS)
Darmawan Harefa , Tatema Telaumbanua , Murnihati Sarumaha , Kalvintinus Ndururu , Mastawati Ndururu
October 2020
DOI : 10.35724/musjpe.v3i1.2875
PENINGKATAN HASIL BELAJAR MELALUI MODEL PROBLEM BASED LEARNING TERINTERGRASI BRAINSTORMING BERBASIS MODUL MATEMATIKA SMP
Darmawan Harefa , Kalvintinus Ndruru , Efrata Gee , Mastawati Ndruru , Lies Dian Marsa Ndraha , Murnihati Sarumaha
January 2021
DOI : 10.31100/histogram.v4i2.588