Energy R&D : problems and perspectives
OECD, 1975
 Buku Teks SO
Yusuf Wicaksono Budisatrio
Pengaruh Investasi R&D Terhadap Kinerja Perusahaan: Analisis Perusahaan Sektor Industri Farmasi & Bioteknologi Global Top 2500 = The Effect of R&D Investment on Company Performance: Analysis of Global Top 2500 Companies in Pharmaceutical and Biotechnology Industry Sector
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2022
 UI - Skripsi Membership
THe OPEC fund for International Development
Annual report 1998
New York : THe OPEC fund for International Development, 1998,
 Buku Referensi
Annual report 1978
Wageningen The Institute , 1979
 Buku Teks
Annual report 1986 of the Librarian of Congress
Library of Conggress, 1987
 Buku Teks SO