joining three tables

I have to join three tables but i m getting error as given below:

Error i m getting-

Syntax error(missing operator) in query expression 'invoice.INVOICE_NO=inv_ent_main.INVOICE_NO INNER JOIN invrate ON invrate.INVOICE_NO=inv_ent_main.INVOICE_N'.

My Query is-

"select inv_ent_main.EXPORTER,inv_ent_main.INVOICE_NO,inv_ent_main.INVOICE_DATE,inv_ent_main.BALE_COUNT,inv_ent_main.TOTAL_AMOUNT,inv_ent_main.BALE_COUNT,inv_ent_main.TOTAL_PIECES,inv_ent_main.TOTAL_AREA,invoice.ORDER_NO,invoice.OTHER_REF,invoice.CONSIGN1,invoice.CONSIGN2,invoice.CONSIGN3,invoice.CONSIGN4,invoice.CONSIGN5,invoice.DLV_TERMS,invoice.PAYMENT_TERMS,invoice.PRE_CARRIAGE,invoice.PR_CARRIER,invoice.DESTINATION,invoice.COUNTRY_DESTINATION,invoice.VESS_FLIGHT,invoice.PORT_LOAD,invoice.PORT_DSCH,invoice.MARK1,invoice.MARK2,invoice.CURRENCY,invoice.GOODS_DESCRIPTION,invoice.CFB,invoice.GROSS_WEIGHT,invoice.NET_WEIGHT,invoice.WOOL,invoice.COTTON from inv_ent_main INNER JOIN invoice ON invoice.INVOICE_NO = inv_ent_main.INVOICE_NO INNER JOIN invrate ON invrate.INVOICE_NO = inv_ent_main.INVOICE_NO";

MCA,LUCKNOW.