SAS. (2018). SAS PROGRAMMING 2: DATA MANIPULATION TECHNIQUES. SAS INSTITUTE INC.
Chicago-čujuhus (17. p.)SAS. SAS PROGRAMMING 2: DATA MANIPULATION TECHNIQUES. USA: SAS INSTITUTE INC, 2018.
MLA-čujuhus (9. p.)SAS. SAS PROGRAMMING 2: DATA MANIPULATION TECHNIQUES. SAS INSTITUTE INC, 2018.
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