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Nainggolan SG, Napitupulu J, Januarty W, Riyaldi MH, Kanchawongpaisan S, Rashid MHA, Handayani P. Training Tourism Business Budgeting for MSME Actors in Pematang Johar to Improve Operational Effeciency. J. eff. serv. [Internet]. 31 Desember 2025 [dikutip 18 Januari 2026];4(02):586-92. Tersedia pada: https://ejcs.eastasouth-institute.com/index.php/ejecs/article/view/517