Encyclopaedia of the Qur'an : volume two E-I

 McAuliffe, Jane Dammen;

Leiden : E. J. Brill , 2002

Encyclopaedia of the Qur'an : volume three J-O

 McAuliffe, Jane Dammen;

Leiden : E. J. Brill , 2003

Ensiklopedi Khatib

 Shafwan, Muhammad Hambal; Mubarok, Fachmy; Abdullah, Muhammad;

Solo : Al-Qowam , 2012

Ensiklopedia kitab-kitab rujukan hadits : lengkap dengan biografi ulama hadits dan sejarah pembukuannya

 Az; Zahrani, Muhammad bin Mathar; Rum, Muhammad;

Jakarta : darul Haq , 2012

Ensiklopedia bid'ah

 Mathar, Hammud bin Abdullah;

Jakarta : Darul Hak , 2011

Faunapedia : 2500 hewan dengan foto, peta, dan banyak lagi!

 Spelman, Lucy; Andrayani, Hera;

Jakarta : KPG (Kepustakaan Populer Gramedia) , 2014

Encyclopedia of management theory

 Kessler, Eric H.;

Los Angeles: : Sage Publication Inc , 2013

Encyclopedia of tropical plants

 Fayaz, Ahmed;

Selandia baru : Firefly Books , 2011

Encyclopedia of educational theory and philosophy volume one A-K

 Phillips, D.C.;

USA : Sage Publications. Inc , 2014

Encyclopedia of educational theory and philosophy volume two L-Z

 Phillips, D.C.;

USA : Sage Publication Inc , 2014

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