Philippine Society for Microbiology, Inc, Philippine Society for Microbiology, Inc, & Development Academy of the Philippines. (2002). Microbiology and biotechnology : frontiers for economic development: Proceedings [of the] 31st Philippine Society for Microbiology, Inc. (PSM) annual convention (A compilation of papers presented during the convention) Tagaytay City, Philippines, May 9-11, 2002. s.n.].

Philippine Society for Microbiology, Inc, Inc Philippine Society for Microbiology, and Development Academy of the Philippines. Microbiology and Biotechnology : Frontiers for Economic Development: Proceedings [of the] 31st Philippine Society for Microbiology, Inc. (PSM) Annual Convention (A Compilation of Papers Presented During the Convention) Tagaytay City, Philippines, May 9-11, 2002. [S.l: s.n.], 2002.

Philippine Society for Microbiology, Inc, et al. Microbiology and Biotechnology : Frontiers for Economic Development: Proceedings [of the] 31st Philippine Society for Microbiology, Inc. (PSM) Annual Convention (A Compilation of Papers Presented During the Convention) Tagaytay City, Philippines, May 9-11, 2002. s.n.], 2002.