Lobo, M. J. A., & Buenrostro, J. J. C. (1998). Year level, age, sex, mode of entry, and frequency of library use as correlates to the academic performance of BLIS students at U.P. Diliman.

Lobo, Marie Joie A., и Juan Jr. C. Buenrostro. Year Level, Age, Sex, Mode of Entry, and Frequency of Library Use as Correlates to the Academic Performance of BLIS Students at U.P. Diliman. Quezon City : Institute of Library Science, University of the Philippines Diliman, 1998.

Lobo, Marie Joie A., и Juan Jr. C. Buenrostro. Year Level, Age, Sex, Mode of Entry, and Frequency of Library Use as Correlates to the Academic Performance of BLIS Students at U.P. Diliman. 1998.