Gaya APA
Semangun, H.
(1992).
Host index of plant diseases in indonesia
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Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Semangun, Haryono.
"Host index of plant diseases in indonesia".
Yogyakarta:
Gadjah Mada University Press,
1992.
Monograf.