1989–90 Yugoslav First Basketball League
| 1989–90 Yugoslav First Basketball League | |
|---|---|
| League | Yugoslav First Basketball League |
| Sport | Basketball |
| Regular season | |
| Season champions |
 Jugoplastika
|
| Playoffs | |
| Finals champions |
Jugoplastika
|
| Runners-up | Crvena Zvezda |
( Jugoplastika vs Crvena Zvezda: 98-70, Crvena Zvezda vs Jugoplastika: 69-67, Crvena Zvezda vs Jugoplastika: 63-93 & Jugoplastika vs Crvena Zvezda: 113-89 )
The winning roster of Jugoplastika:
Coach: 
Božidar Maljković
FIBA European Champions Cup
FIBA Cup Winner's Cup
...
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