Soft cover $20.00 or hard cover $30.00. Optional BERKONOMICS workbook $15.00. (Makes great gifts too.) Do this now, so you’ll be ready for ADVANCED BERKONOMICS coming soon. End of plug. Thanks.
Soft cover $20.00 or hard cover $30.00. Optional BERKONOMICS workbook $15.00. (Makes great gifts too.) Do this now, so you’ll be ready for ADVANCED BERKONOMICS coming soon. End of plug. Thanks.
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