Nafi, Mochammad and Supriadi, Bambang (2019) The Role of Perceived Value to Increase Satisfaction Value in the Ecotourism Sub Sector. IOSR Journal of Business and Management (IOSR-JBM), 21 (9). pp. 50-55. ISSN p-2319-7668 ; e-2278-487X

Universitas Merdeka Malang (2019) Implementasi Model Pengembangan dan Pemasaran Ekowisata : Buku Panduan/Petunjuk. 000144611.

Nafi, Mochammad and Supriadi, Bambang and Estikowati, Estikowati (2019) Ekowisata Indonesia : Model dan Pengembangannya. Universitas Negeri Malang, Malang. ISBN 978-602-470-123-9

Nafi, Mochammad and Supriadi, Bambang and Roedjinandari, Nanny (2018) Internal Marketing Impact On External Service Quality In Semeru Pine Forest (Spf) Tourist Atraction. IOSR Journal of Business and Management (IOSR-JBM), 20 (7). pp. 66-72. ISSN 2319-7668 (p) ; 2278-487X (e)

Nafi, Mochammad and Supriadi, Bambang and Roedjinandari, Nanny (2017) Strategies of Tourism Development through Ecotourism Spectrum for Increasing Tourists’ Visit. In: The 8th International Conference And Filedstudy : Rural Research and Planning Group And, 16-17 May 2017, Universitas Gadjah Mada, Faculty of Geography.