Handbook of Beekeeping - Dharm Singh; Devender Pratap Singh (Jodhpur Agrobios (India))
Dharm Singh & Devender Pratap Singh: Handbook of Beekeeping. Jodhpur. Agrobios (India), 2006, Reprint 2012. 81-7754-239-7 Rs. 1200.00--(638.1SIN)
ENGLISH