Sap MM Inventory management implementation

I have 3 datasources 2lis_03_bf/bx/um in PSA.

I have to load in Infocube 0IC_C03.

I am using version 7.3 sap.

What will be the dataflow for this in BW?

I need your help.

I designed like this PSA>> Wdso>>Infosource>>Infocube..

Is it correct?