Jayne Jall Parker, . (1986). My speech Workbook 2 : a remedial workbook for the "r" sound. Texas: Pro-ed.
Jayne Jall Parker, . 1986. My speech Workbook 2 : a remedial workbook for the "r" sound. Texas: Pro-ed.
Jayne Jall Parker, . My speech Workbook 2 : a remedial workbook for the "r" sound. Texas: Pro-ed. 1986.
