Jelajahi Repository

research : Nurmalasari;Mukhayaroh, Anna;Marlina,Siti;Hartini,Sari;Muryani,Sri;Sinnun,Ahmad;Nurajizah,Siti;Adiwihardja,Cep;

The intense competition in the sale of goods and services in the digital era of e-commerce requires to manage customers optimally. Some online shops t

research : Wahyudi, Mochamad; Putri, Dwi Andini;

Twitter has become one of the most popular micro-blogging platform, recently. Millions of users can share their thoughts and opinions about various as