বিজ্ঞানী Hatch & Stack এর পূর্ণনাম-
A
B.D. Hatch & C.R. Stack
B
C.D. Hatch & B.R. Stack
C
C.D. Hatch & C.R. Stack
D
B.D. Hatch & A.D. Stack
Correct Answer: C.D. Hatch & C.R. Stack