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RECEIVABLES (Tables)
12 Months Ended
Jan. 31, 2020
RECEIVABLES [abstract]  
Schedule of trade receivable
 as at January 31 2020  2019  2018  
 Taxes receivable  22,014 $ 65,476 $ 12,138 
 Trade receivable 423,083  69,692   
 Allowance for doubtful accounts (1,975) (55,215)  
    443,122  $ 79,953  $ 12,138