Bergancia, H. B., Carandang, C. N., Fortich, S. P., Jamili, J. R., Ko, J. T., Ng, E. O., . . . Sia, C. G. (1999). A feasibility study on the production of cari-card-tures greeting cards. Animo Repository.

Bergancia, Herbert B., Charlton N. Carandang, Sofronio P. Fortich, Jhowell R. Jamili, Jacqueline T. Ko, Eden O. Ng, Melody Grace L. Ong, and Christian G. Sia. A Feasibility Study On the Production of Cari-card-tures Greeting Cards. Animo Repository, 1999.

Bergancia, Herbert B., et al. A Feasibility Study On the Production of Cari-card-tures Greeting Cards. Animo Repository, 1999.