In-depth education research powered by big data and audit — informal, non-formal, and formal.

A relative hourly cost index for private tutoring across Indonesian cities in the second half of 2026, with Yogyakarta set as base 100. It maps location multipliers rooted in cost of living and regional wages, built on indexed ratios and official BPS and Kemnaker sources.
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Research on private tutor distribution to Indonesia's eastern frontier: Sulawesi, East Nusa Tenggara, Maluku, and Papua. Relative representation index, registration momentum, campus origin profile, and study mode as signals of educational access equity. Built on indexed data and official sources.
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A map of tutor supply, most-requested subjects, learning modes, tutor profiles, and a relative cost index across cities — built on indexed data and official sources.
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