| theoretical frequency distribution | taburan kekerapan berteori/taburan frekuensi berteori | EKO |
| theoretical partial autocorrelation function | fungsi autokorelasi separa berteori/fungsi autokorelasi sebahagian berteori | EKO |
| theoretical economics | ekonomi berteori | EKO |
| theoretical econometrics | ekonometrik berteori | EKO |
| theoretical distribution | taburan berteori | EKO |
| theoretical-economic criteria | kriteria ekonomi berteori | EKO |
| theoretical autocorrelation function | fungsi autokorelasi berteori | EKO |
| sampling-theoretic approach | pendekatan persampelan berteori | EKO, NIAGA |