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