00640nam a2200229 a 4500 54279 BD-RjUL 20211209080110.0 161105s1981 u ||||| |||| 00| 0 eng d 0871502992 (BD-RjUL)54401 BD-RjUL eng BD-RjUL eng 23 512.13 CAC 1981 Campbell, Howard E. 161998 Concepts of trigonometry / Howard E. Campbell Boston : Prindle, Weber & Schmidt, ©1981. Various Pagins : ill. ; 25 cm Trigonometry 161999 Algebra 162000 ddc BK 54279 54279 0 0 ddc 0 0 NFIC RUCL RUCL Stack 1986-03-01 0 512.13 CAC 1981 2016-11-05 00:00:00 C-2 2016-11-05 BK