Chemistry
by Ronald J. Gillespie ... [et.al.]
Prentice-Hall, 1989
 Buku Teks
Boit, Hans G., author
Ergebnisse der Alkaloid-Chemie his 1960
Akademie-Verlag, 1960
 Buku Referensi
Kandungan senyawa alkaloid dari criptocarya densiflora BI
 Artikel Jurnal
A new alkaloid from flowers of erythrina stricta
 Artikel Jurnal
Gordon, Manfred
High polymers : Structure and physical properties / Manfred Gordon
Addison-Wesley , 1963
 Buku Teks
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