The amateur astronomer’s guide to the deep-sky catalogs

The casual sky observer’s guide : stargazing with binoculars and small telescopes

Bintang gelap dan efek peluruhan gelap terhadap bintang netron dengan hyperon = Dark stars and dark decay effect on properties of neutron stars with hyperon

Sifat-sifat bintang neutron berotasi lambat

Modifikasi Gravitasi pada Objek Kompak dan Ultra-kompak = Modified Gravity on Compact Object and Ultra-compact Object