PL/1 : a self instructional manual.
Barbour, Edna H.
PL/1 : a self instructional manual. - London : The Macmillan Company, 1970. - vi,301p. :ill. 28cm.
PL/1 (computer program language)
QTO QA76.5.B3
PL/1 : a self instructional manual. - London : The Macmillan Company, 1970. - vi,301p. :ill. 28cm.
PL/1 (computer program language)
QTO QA76.5.B3