Use of whatsapp messenger and organizational culture towards employee performance at UPTD Puskesmas Purwasari Karawang Regency. JA [Internet]. 2022 Apr. 25 [cited 2026 Oct. 23];4(Spesial Issue 5):2157-63. Available from: https://journal.ikopin.ac.id/index.php/fairvalue/article/view/2116