PURCHASING STRATEGIES IN THE KRALJIC PORTFOLIO MATRIX – A CASE STUDY IN OPEN PIT COAL MINING | Perdana | Indonesian Mining Professionals Journal

About The Authors

Alim Perdana
Kaltim Prima Coal, PT
Indonesia

Purchasing Superintendent, Expert in Supply Chain Management, has an extraordinary experiment in contractual conflict.

Nur Budi Mulyono
School of Business Management, Bandung Institute of Technology
Indonesia

Assistant Professor, Operation and Performance Management Interest Group, Director of Bachelor of Management Program

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No.225/E/KPT/2022 (4th level)

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Keywords Bucket tooth, Life cycle cost, Potensial Margin. Discontinuity Mapping-Remote Sensing, Kestabilan Lereng, Kinematic Analysis, Analisis Resiko Finite Element Method (FEM) High-wall Jarak Lemparan Flyrock, Analisis Dimensi, Richard dan Moore K-Means, Fuzzy C Means, Pembelajaran Tanpa Pengawasan, Kualitas Batubara, Inventori Analitik Manajemen Getaran, Peledakan, Scaled Distance Misfire, Elektronik Detonator, Double Initiation Real-time Condition Monitoring, Haulroad Maintenance, TPT XXXI PERHAPI 2022 Regresi, Neural Network, Kualitas Batubara, Pencampuran Batubara, Predictive Analytics Reklamasi, Keanekaragaman Hayati, Ekosistem Strategic Plan Penambangan, Optimasi Reserve, Baku Mutu Air Tambang, tambang terbuka, kestabilan lereng, statistika terapan Wait For Blasting Time, Multiple Firing, Signature Holes lapisan penudung, difusi oksigen, oksidasi, batuan berpotensi asam (Potential Acid Forming/PAF), air asam tambang metode remote sensing, metode terestris, topografi stockpile/batu bara, ROM pedogenesa, pelapukan tanah, reklamasi, overburden, biomassa, serasah, tanah penggalian keras, sinergi, Take-5, Kuz-Ram. productivity, loading and unloading tools, conveyance, coal weighted-overlay, GIS, bahaya, geologi, bencana, sistem, manajemen zeolit alam, partikel nano, adsorpsi, air asam tambang, isotermal adsorpsi, kinetika adsorpsi

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