scholarly journals Pl/I In easy stagesm a programmed learning textbook, J. S. Roper, Elek Science, 1973. No. of pages: 240. Price: £2

1976 ◽  
Vol 6 (1) ◽  
pp. 135-136
Author(s):  
S. H. Valentine
Keyword(s):  
Phonetica ◽  
1963 ◽  
Vol 10 (1-2) ◽  
pp. 42-50
Author(s):  
L.S. Harms

1965 ◽  
Vol 7 (7) ◽  
pp. 309-311
Author(s):  
A.J. BEAUMONT

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