🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoPolskiPortuguêsSvenskaTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ598451· pop 29· linked from 388 articlessystem dynamicsstudy of non-linear complex systemsAvailable in 28 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBahasa IndonesiaConnectionsJay Wright ForresterEntitycomputer simulationEntityCategoriesComplex systems theoryOperations researchProblem structuring methods