Lenin, Vladimir I.
Foreign Languages Publishing House, 1954
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Artikel Jurnal
Afiono Agung Prasetyo
Indonesian Center for Biotechnology and Biodiversity Research and Development (UNS),
Artikel Jurnal
Gabriella Natalia Cristina
Universitas Indonesia, 2018
UI - Tesis (Membership)
MacIver, Robert M.
Oxford, 1926
Buku Teks