Helpin, J. (1973). An experimental investigation of eliminating technical errors in writing through the use of learning activity packages.
Chicago Style (17th ed.) CitationHelpin, Jerome. An Experimental Investigation of Eliminating Technical Errors in Writing Through the Use of Learning Activity Packages. 1973.
MLA (8th ed.) CitationHelpin, Jerome. An Experimental Investigation of Eliminating Technical Errors in Writing Through the Use of Learning Activity Packages. 1973.
Warning: These citations may not always be 100% accurate.