References 1. Braddock, R., Lloyd-Jones, R., & Schoer, L. (1963). Research in Written Composition. Urbana, IL: National Council of Teachers of English.
2. Calkins, L. M. (1980). "When Children Want to Punctuate." Language Arts.
3. Cooper, C. (1975). "Research Roundup: Oral and Written Composition." English Journal.
4. DiStefano, P. & Killion, J. (1984). "Assessing Writing Skills Through a Process Approach." English Education.
5. Harris, R. J. (1962). "An Experimental Inquiry into the Functions and Value of Formal Grammar in the Teaching of Written English to Children Aged Twelve to Fourteen." Ph.D. dissertation. University of London.
6. Hillocks, G., Jr. (1986). "Research on Written Composition: New Directions for Teaching." Urbana, IL: ERIC Clearinghouse on Reading and Communication Skills and the National Conference on Research in English.
7. Hillocks, G., Jr. & Smith, M. (1991). "Grammar and Usage." In J. Flood, J. M. Jensen, D. Lapp & J. R. Squire (Eds.), Handbook of Research on Teaching the English Language Arts. New York: Macmillan .
8. Mellon, J. C. (1969). "Transformational Sentence-Combining: A Method for Enhancing the Development of Syntactic Fluency in English Composition." NCTE Research Report No. 10. Urbana, IL: National Council of Teachers of English.
9. National Council of Teachers of English and the International Reading Association. (1996). Standards for the English Language Arts. Urbana, IL: National Council of Teachers of English.
10. Noguchi, R. R. (1991). Grammar and the Teaching of Writing: Limits and Possibilities. Urbana, IL: National Council of Teachers of English.
11. O’Hare, F. (1973). Sentence-Combining: Improving Student Writing Without Formal Grammar Instruction. Urbana, IL: National Council of Teachers of English.
12. Shaughnessy, M. P. (1977). Errors and Expectations: A Guide for the Teacher of Basic Writing. New York: Oxford University Press.
13. Chastain, Kenneth. The Development of Modern Language Skills: Theory to Practice. Philadelphia: Center for Curriculum Development,1971.
14. Rippa, S. Alexander 1971. Education in a Free Society, 2nd. Edition. New York: David McKay Company, 1971.
15. Richards, Jack C.; Rodgers, Theodore S. (2001). Approaches and Methods in Language Teaching (2nd ed.). Cambridge, New York: Cambridge University Press.
