Gaya APA

SUPRIYANTO, . (). analisa plasticity retention index (PRI)PADA CRUMB RUBBER SIR 20 DI pt. BATANG HARI BARISAN . : .

Gaya MLA

SUPRIYANTO, . "analisa plasticity retention index (PRI)PADA CRUMB RUBBER SIR 20 DI pt. BATANG HARI BARISAN". : , . Text.