यौवन और उसका विकास : बाबू केशवकुमार ठाकुर द्वारा हिंदी पीडीऍफ़ पुस्तक – सामाजिक | Yauvan Aur Usaka Vikas : by Babu Keshav Kumar Thakur Hindi PDF Book – Social (Samajik)
Pustak Ka Vivaran : Manushy ki Svabhavik pravatti kam ki aur chanchal raha karati hai. jab unako kisi prakar usaki janakari prapt hone ka dvar nahin milata to ve anuchit margon ka avalamban karate hain. Is avalamban se ve sada pathabhrasht hote hai. Isiliye sansar ke kam-vigyan-visharadon ne isake gyan ko prapt karane ki aavashyakata ka anubhav kiya hai…………
Description about eBook : The natural tendency of a man remains work and playful. When they do not get the door of their knowledge in some way, then they adopt inappropriate routes. With this attack, they are always misguided. That’s why world-wide scientists have experienced the need to acquire knowledge……………
