Angga Tri Saputra, Bobby W. Saputra. The Impact of Promoting Nickel Mining Services in Indonesia Using Big Media to Boost Customer Interest in Purchasing (A Case Study At PT. Putra Perkasa Abadi). IJEC [Internet]. 2023 Dec. 4 [cited 2024 Nov. 26];2(2):753-69. Available from: https://ejournal.ipinternasional.com/index.php/ijec/article/view/688