D. nugraha, Shafarani Putri Raissa, Meuthya Kayla Puspita, Najmi Khairunnisa Gunawan, Aura Diva Nadira, and Muhammad Fajar Wahyudi Rahman, “Operational Business Planning Using Lean Canvas at PT ESPA: A Thematic Analysis Qualitative Interview Analysis”, J. Digit. Bus. Innov. Manag., vol. 5, no. 1, Jun. 2026.