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Rajagukguk, Wilson and Samosir, Omas Bulan and Rajagukguk, Josia and Rajagukguk, Hasiana Emanuela (2024) Service quality and supply chain value on customer loyalty: The role of customer relationship management. Uncertain Supply Chain Management, 12.
Samosir, Omas Bulan and Rajagukguk, Wilson and Rahmadewi, Rahmadewi and Syahmida, Syahmida and Aninditya, Flora (2023) Dekomposisi Fertilitas: Teknik, Aplikasi Perhitungan, Dan Risiko Ekonomi Untuk Indonesia. UKI Press. ISBN 978-623-8012-62-6
Dr. Wilson Rajaguguk, M.Si,MA,Ministry, Dra.Omas Bulan Samosir,P.hD (2020) Regional Competitiveness and National Economic Growth Actual Priorities for Indonesian Reforms. EC00202000447.
Universitas Kristen Indonesia (2018) KONTRIBUSI PENDUDUK (BONUS DEMOGRAFIS) TERHADAP PERTUMBUHAN EKONOMI DI INDONESIA. 000114757.
Omas Bulan Samosir and Wilson Rajagukguk (2018) Demografi Formal. 000110188.
Rajagukguk, Wilson and Herartri, Rina and Samosir, Omas Bulan and Agung, Darojad (2018) KONTRIBUSI PENDUDUK (BONUS DEMOGRAFIS) TERHADAP PERTUMBUHAN EKONOMI DI INDONESIA. UKI Press, Indonesia, Jakarta. ISBN 978 979 8148 69 9
Wilson Rajagukguk and Omas Bulan Samosir (2018) Dinamika Demografis Indonesia 1950-2100. 000107621.
Samosir, Omas Bulan and Rajagukguk, Wilson (2018) OPTIMALISASI PENDUDUK USIA PRODUKTIF DI PROVINSI NUSA TENGGARA TIMUR. UKI Press, Indonesia, Jakarta. ISBN 978 979 8148 61 3
Samosir, Omas Bulan and Rajagukguk, Wilson (2018) Regional Competitiveness and National Economic Growth Actual Priorities for Indonesian Reforms. In: Economic Reforms for Global Competitiveness. IGI Global, USA, pp. 306-328. ISBN 978 1 5225 3856 1
Universitas Kristen Indonesia (2017) Testing Regional Competitiveness To Ensure National Economic Growth (The Case Of Indonesia). 000194065.
Samosir, Omas Bulan and Rajagukguk, Wilson (2017) Demographic and Competitiveness Acceleration and Government Sustainable Advantage in Indonesia. International Journal of Economics and Financial, 7 (4). pp. 113-118. ISSN 2146 4138
Samosir, Omas Bulan and Rajagukguk, Wilson (2015) Demografi Formal. UKI Press, Indonesia, Jakarta. ISBN 978 979 8148 64 4
Rajagukguk, Wilson and Samosir, Omas Bulan (2015) Dinamika Demografis Indonesia 1950-2100. UKI Press, Indonesia, Jakarta. ISBN 978 979 8148 62 0
Drs. Omas Bulan Samosir,P.hD, Dr. Wilson Rajagukguk, M.Si.MA, Ministry, (2015) Buku Demografi Formal. 000110188.