| Phaladhikaranam, Topic 8, Sutras 38—41 | The great gurus of the Sikhs |
|---|---|
| Key Concepts in the Practice of Sufism: Emerald Hills of the Heart | The evolution of charitable behaviour and the power of reputation |
Proceedings of the National Academy of Sciences of the United States of America.
| R Axelrod and WD Hamilton 27 March 1981 | Svoboda, Elizabeth September 5, 2013 |
|---|---|
| Thompson, GJ; Hurd, PL; Crespi, BJ 2013 | Human fronto—mesolimbic networks guide decisions about charitable donation, PNAS 2006:103 42 ;15623—15628• New Delhi: Anmol Publications Pvt Ltd |
Lockwood, Patricia L; Apps, Matthew A J; Valton, Vincent; Viding, Essi; Roiser, Jonathan P 2016.
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