| 641 | ||
| 642 | ||
| Language: | English | |
| 643 | Studies on aphid parasitoids of Hymenoptera: Aphidiidae of Manipur | |
| 644 | Neurosecretion of Philosamina ricini Lutt (Lepidopetra: Sarurnidae) | |
| Language: | English | |
| 645 | ||
| 646 | ||
| Language: | English | |
| 647 | Taxonomic studies on caddis flies of Annulipalpia (Insecta: Trichoptera) from Indian Himalaya | |
| Shodhganga | ||
| 648 | ||
| Language: | English | |