Akbar, S. R. H., Vallejo, R. M., & Buenrostro, J. J. C. (1986). Resource sharing among agricultural libraries, information and documentation centers in Pakistan with implications to the formation of Pakistan Agricultural Information System (PAINS).

Akbar, Syed Riazul Hasan, Rosa M. Vallejo, and Juan Jr. C. Buenrostro. Resource Sharing Among Agricultural Libraries, Information and Documentation Centers in Pakistan with Implications to the Formation of Pakistan Agricultural Information System (PAINS). Quezon City : Institute of Library Science, University of the Philippines Diliman, 1986.

Akbar, Syed Riazul Hasan, et al. Resource Sharing Among Agricultural Libraries, Information and Documentation Centers in Pakistan with Implications to the Formation of Pakistan Agricultural Information System (PAINS). 1986.