| 21 | ||
| Researcher: | Sharma, Jagan Nath Prasad | |
| Guide: | Sharma, Jagan Nath Prasad | |
| University: | University of Delhi | |
| Language: | English | |
| 22 | The development of algebraic concepts in pupils at the junior secondary stage | |
| Researcher: | Joshi, Jagan Nath Prasad | |
| Guide: | Deo, Pratibha | |
| University: | Panjab University | |
| Language: | English | |
| Shodhganga | ||