TP Chemical technology 108 Malaysia 70 human 64 T Technology (General) 61 L Education (General) 58 TK Electrical engineering. Electronics Nuclear engineering 53 Article 51 TA Engineering (General). Civil engineering (General) 51 QA Mathematics 47 controlled study 42 Humans 38 TJ Mechanical engineering and machinery 38 female 38 male 37 adult 34 LB2300 Higher Education 28 QC Physics 27 QD Chemistry 27 major clinical study 22 Female 21 unclassified drug 20 Q Science (General) 18 article 18 Male 17 nonhuman 17 aged 15 Fuzzy logic 14 proton nuclear magnetic resonance 13 Hospitality industry. Hotels, clubs, restaurants, etc. Food service 12 Middle Aged 11