Subjects: *ELECTRONIC encyclopedias; *ELECTRONIC reference sources; *ENTREPRENEURSHIPWALES, Jimmy, 1966-
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Subjects: MARINE resources; ARCHAEOLOGICAL excavations; ETHNOARCHAEOLOGY
Subjects: GEOGRAPHIC information systems; URBAN planning; UNDERWATER archaeologyCADIZ (Spain); MALAGA (Spain)
Subjects: *BUSINESS enterprises; *DIRECTORIES; *REFERENCE sources
Subjects: *Reference sources; *Computer logic; *Digital technologySpain
Subjects: REFERENCE sources; CHILDREN'S books; PERIODICAL articles
Subjects: REFERENCE sources; BOTANY; SPECIESARGENTINA
Subjects: REFERENCE sources; STRUCTURAL stability; QUALITY control
Subjects: GERMPLASM; PRINCIPAL components analysis; REFERENCE sources