| हिन्दी | hin-000 |
| समय और प्रयास का अध्ययन | |
| Universal Networking Language | art-253 | time and motion study |
| Universal Networking Language | art-253 | time-and-motion study |
| Universal Networking Language | art-253 | time-motion study |
| Universal Networking Language | art-253 | work study |
| English | eng-000 | time and motion study |
| English | eng-000 | work study |