January 01, 1990 article Object-Oriented Analysis and Design with Applications OpenAlex Authors 0 Author list not loaded yet. Cited by 1 stored of 3,479 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access Understanding the complexity of intelligence problems 2021 Intelligence & National Security article Social Sciences Intelligence, Security, War Strategy Open access 11 citations 1 result References 0