A maintenance service contract for a warranted product. - Hennie Husniah; Udjianna S. Pasaribu; Abdul Hakim Halim; Bermawi P. Iskandar (IEEM, 2011)

Optimal preventive maintenance for a fleet of dump trucks with two-dimensional lease contract. - Hennie Husniah; Udjianna S. Pasaribu; Bermawi Priyatna Iskandar (IEEM, 2015)

Optimal number of fleet maintenance contract with policy limit cost. - Hennie Husniah; Udjianna S. Pasaribu; Asep K. Supriatna; Bermawi P. Iskandar (CoDIT, 2017)

Lease Contract in Usage Based Remanufactured Equipment Service System. - Hennie Husniah; Udjianna S. Pasaribu; Bermawi Priyatna Iskandar (APMS (2), 2018)

Cost Analysis for Two Dimensional Warranted Products Protected by Lemon Laws Considering Multi Component System. - Hennie Husniah; Rachmawati Wangsaputra; Udjianna S. Pasaribu; Bermawi P. Iskandar (ICSRS, 2021)

The Impact of Restricting Community Activities on COVID-19 Transmission: A Case Study in Sumatra Island, Indonesia. - Abdullah Sonhaji; Sapto W. Indratno; Kurnia Novita Sari; Adi Pancoro; Ernawati Arifin Giri-Rachman; Udjianna S. Pasaribu; Susi Setiyowati (DaSET, 2022)

Neural Network Pruning for Lightweight Metal Corrosion Image Segmentation Models. - Vincent F. Yu; Gemilang Santiyuda; Shih-Wei Lin; Udjianna S. Pasaribu; Yuli Sri Afrianti (IEEE Access, 2025)