स्वास्थ्य एवं शारीरिक शिक्षा शिक्षण : डॉ. कृष्णकांत साहू द्वारा हिंदी पीडीऍफ़ पुस्तक – सामाजिक | Svasthya Evam Sharirik Shiksha Shikshan : by Dr. Krishnakant Sahoo Hindi PDF Book – Social (Samajik)
Pustak Ka Vivaran : Shushk Vidhi – Is Vidhi mein Manushy ka Mal-Mutra shram dvara sangrhit kar Nistaran hetu Nagar se bahar le jaya jata hai. Prarambh mein is vidhi ka prayog sampurn vishv mein hota tha parantu ab adhikansh deshon mein jal sanvahan vidhi ko apana liya gaya hai. Shiksha ke prachar-prasar tatha svasthy gyan mein vrddhi………
Description about eBook : Dry Method – In this method the human excreta is collected by labor and taken out of the city for disposal. Initially this method was used all over the world but now water convection method has been adopted in most of the countries. Promotion of education and increase in health knowledge…….
