• 3 Memorial Library

• 3 Journals, Magazines, Newspapers

• 1 Abstracts
• 1 Catalogs
• 1 Economic conditions
• 1 Periodicals
• 1 Perpustakaan LEKNAS. Perpustakaan
• 1 Social conditions
• 1 Social sciences

• 1 Lembaga Ekonomi dan Kemasyarakatan Nasional
• 1 Perpustakaan LEKNAS

• 1 Indonesia

• 1 Bibliography

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