Experimental Course in chemistry for higher secondary stage :
Srivastava V.N.P.
Experimental Course in chemistry for higher secondary stage : Laboratory Manual for teachers / V.N.P.Srivastava...(et.al). - New Delhi : NCERT, 1981. - 170 p. : 22 cm.
542 SRI
Experimental Course in chemistry for higher secondary stage : Laboratory Manual for teachers / V.N.P.Srivastava...(et.al). - New Delhi : NCERT, 1981. - 170 p. : 22 cm.
542 SRI