Given a sentence in Tagalog language, translate the sentence to English language keeping the meaning of the original sentence intact.
Q: Tagalog sentence: Siya ay isa sa mga unang na gamitin ang haba ng programa bilang isang kasangkapan sa ekonomiya at ito ay lumitaw sa isang publikasyon matematika paraan ng organising at pagpaplano sa produksyon na kung saan siya nai-publish sa 1939. Makarov magsusulat sa:
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
He was one of the first to use linear programming as a tool in economics and this appeared in a publication Mathematical methods of organising and planning production which he published in 1939. Makarov writes in: