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Analytic geometry: plane and solid/ Bernardo G. Del Rosario.

by Del Rosario, Bernardo G [author].

Language: English Publisher: Metro Manila: National Book Store, c1991Availability: Items available for loan: COLLEGE LIBRARY [Call number: 516.3 D387 1991] (1).

High school mathematics / Bernardo G. Del Rosarion et. al.

by Del Rosario, Bernardo G [author].

Publisher: Manila : National Book Store, 1992Availability: Items available for loan: HIGH SCHOOL LIBRARY - JHS [Call number: 510 D387 1992] (1).