By E.A. Parr
By R. A. Penfold, Penfold, R. A.
By R. A. Penfold
By Stanley Manahan
By Stanley E. Manahan
By Kimball Nill
By Kalnins, Arturs, Dym, Clive L.
By Maxwell Maltz, Maltz, Maxwell
By Brown, James S.
By Bert Spilker, Joyce A. Cramer
By Geoffrey A. Moore;Moore, Geoffrey A. Moore
By Goh, S.Y.
By R.J.Klein Wassink
By Karl Dietz
By Letham, Lawrence, Lawrence Letham
By John Uff, P.Leonard Capper
By Richmond, Alan William
By ISHIKAWA T.
By Whelan, Paul
By Sparke, Penny
By Caribbean Examinations Council
By Madhavan, Guru
By Gurstelle, WILLIAM
By Burger, Wilhelm, Burge, Mark J.
By Kassia St Clair, Clair, Kassia St