complex conjunction

Sources

• HALLIDAY 1994 238

  HALLIDAY, M.A.K. (1994) An Introduction to Functional Grammar (Second Edition). London: Edward Arnold. 

• RICHARDS etal. 1992 77 (conjunctive)

  RICHARDS, Jack, PLATT, J. & WEBER, H. (1992) Longman Dictionary of Language Teaching & Applied Linguistics. London: Longman.