00381nam a22001457a 4500020001800000041001300018082002000031100002200051100001700073245006700090250001600157260004500173300000900218650000800227  a9789937303965  aEnglish   a338.4791bOLI-t  aOli, Gopal Singh   aChhetri, B.B  aTourism and Mountaineering Principles and Practices Grade XII   aRevised  ed  aKathmandu bBuddha Publication c2023AD   a214p  aTT,