TJ Mechanical engineering and machinery 5 Malaysia 4 Bacteria 3 Soils. Soil science. Including soil surveys, soil chemistry, soil structure, soil-plant relationships 3 Clay industries. Ceramics. Glass 2 Consumer behavior. Consumers' preferences. Consumer research. Including consumer profiling 2 Islamic ethics 2 Laboratory manuals. Testing of soils. Measurements 2 Agricultural conservation 1 Agricultural wastes 1 Algal biotechnology 1 Biochemistry 1 Bioengineering 1 Ceramic technology. Pottery 1 Chemical engineering 1 Computer assisted instruction. Programmed instruction 1 Computer software 1 Cooperative education 1 Data mining 1 Dielectric devices 1 Dyes 1 Dynamic and structural geology 1 Economic development. Development economics. Economic growth 1 Electric current (General) 1 Electricity 1 Examination and analysis. Composition. Adulteration 1 Fatigue testing machines 1 Finite element method 1 Flexure 1 Fuzzy logic 1