000
00269nam a2200109Ia 4500
008
220216s9999 xx 000 0 und d
100
_a
Jacob J
245
0
_a
Gaveshana phalangal prayojanappeduthanan
260
_b
Rubber
_c
2020
650
_a
Rubber research
942
_c
BS
999
_c
51250
_d
51250