Ulina, S., 		Lubis, S., & 		Bangun, M.
(2020).
 INCOME STRUCTURE ANALYSIS OF VANNAMEI (Litopenaeus vannamei)SHRIMP FARMING IN SUB-DISTRICT OF SECANGGANG, DISTRICT OF LANGKAT.
<em>JURNAL PROINTEGRITA, 3</em>(3), 473-480.
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